Fittings
● In stockOur high-performance straight tube union fittings are engineered to provide reliable, leak-tight connections for high-pressure and heavy-duty instrumentation, process, and fluid systems. Designed to seamlessly connect two lines of identical outer diameter (OD) tubing, these fittings feature a robust mechanical design that ensures excellent vibration resistance and pressure containment.
| Part No. | Product Name | Fitting Type | Connection Type | Thread Size | Tube Size | Body Material | Seal Type | Max Pressure | Max Pressure Unit | Working Temperature | Pressure Class | Pkg. Qty. | Price / Pkg. — IRR | In Cart | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Imperial · Swagelok Medium-Pressure Plug, 1 in. Tube OD x 1 in. NPT · Male NPT (Closure) · 1 in. NPT · 1 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1 in. NPT | 1 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 7500 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker Medium-Pressure Plug, 1 in. Tube OD x 1 in. NPT · Male NPT (Closure) · 1 in. NPT · 1 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1 in. NPT | 1 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 7500 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok Medium-Pressure Plug, 3/4 in. Tube OD x 3/4 in. NPT · Male NPT (Closure) · 3/4 in. NPT · 3/4 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 3/4 in. NPT | 3/4 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 10000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker Medium-Pressure Plug, 3/4 in. Tube OD x 3/4 in. NPT · Male NPT (Closure) · 3/4 in. NPT · 3/4 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 3/4 in. NPT | 3/4 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 10000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok Medium-Pressure Plug, 9/16 in. Tube OD x 1/2 in. NPT · Male NPT (Closure) · 1/2 in. NPT · 9/16 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. NPT | 9/16 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 15000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker Medium-Pressure Plug, 9/16 in. Tube OD x 1/2 in. NPT · Male NPT (Closure) · 1/2 in. NPT · 9/16 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. NPT | 9/16 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 15000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok Medium-Pressure Plug, 1/4 in. Tube OD x 1/4 in. NPT · Male NPT (Closure) · 1/4 in. NPT · 1/4 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/4 in. NPT | 1/4 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 20000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok Medium-Pressure Plug, 3/8 in. Tube OD x 3/8 in. NPT · Male NPT (Closure) · 3/8 in. NPT · 3/8 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 3/8 in. NPT | 3/8 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 20000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker Medium-Pressure Plug, 1/4 in. Tube OD x 1/4 in. NPT · Male NPT (Closure) · 1/4 in. NPT · 1/4 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/4 in. NPT | 1/4 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 20000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker Medium-Pressure Plug, 3/8 in. Tube OD x 3/8 in. NPT · Male NPT (Closure) · 3/8 in. NPT · 3/8 in · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 3/8 in. NPT | 3/8 in | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 20000 | psig | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok High-Pressure Plug, 9/16 in. Tube OD x 1/2 in. NPT · Cone and Thread (Closure) · 1/2 in. NPT · 9/16 in · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. NPT | 9/16 in | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 25000 | psig | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker High-Pressure Plug, 9/16 in. Tube OD x 1/2 in. NPT · Cone and Thread (Closure) · 1/2 in. NPT · 9/16 in · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. NPT | 9/16 in | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 25000 | psig | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok High-Pressure Plug, 3/8 in. Tube OD x 3/8 in. NPT · Cone and Thread (Closure) · 3/8 in. NPT · 3/8 in · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 3/8 in. NPT | 3/8 in | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 40000 | psig | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker High-Pressure Plug, 3/8 in. Tube OD x 3/8 in. NPT · Cone and Thread (Closure) · 3/8 in. NPT · 3/8 in · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 3/8 in. NPT | 3/8 in | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 40000 | psig | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Swagelok High-Pressure Plug, 1/4 in. Tube OD x 1/4 in. NPT · Cone and Thread (Closure) · 1/4 in. NPT · 1/4 in · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/4 in. NPT | 1/4 in | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 60000 | psig | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Imperial · Parker High-Pressure Plug, 1/4 in. Tube OD x 1/4 in. NPT · Cone and Thread (Closure) · 1/4 in. NPT · 1/4 in · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/4 in. NPT | 1/4 in | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 60000 | psig | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok Medium-Pressure Plug, 25 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 25 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 25 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 520 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker Medium-Pressure Plug, 25 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 25 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 25 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 520 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok Medium-Pressure Plug, 20 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 20 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 20 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 690 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker Medium-Pressure Plug, 20 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 20 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 20 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 690 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok Medium-Pressure Plug, 14 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 14 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 14 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 1030 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker Medium-Pressure Plug, 14 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 14 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 14 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 1030 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok Medium-Pressure Plug, 6 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 6 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 6 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 1380 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok Medium-Pressure Plug, 10 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 10 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 10 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 1380 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker Medium-Pressure Plug, 6 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 6 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 6 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 1380 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker Medium-Pressure Plug, 10 mm Tube OD x 1/2 in. BSPP · Male NPT (Closure) · 1/2 in. BSPP · 10 mm · Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer)Each | Plug | Male NPT (Closure) | 1/2 in. BSPP | 10 mm | 316 Stainless Steel | Metal-to-metal, two-ferrule compression (heavy-wall, no elastomer) | 1380 | bar | -425 to 1000 F (-254 to 537 C) | Medium Pressure (FK Series) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok High-Pressure Plug, 14 mm Tube OD x 1/2 in. BSPP · Cone and Thread (Closure) · 1/2 in. BSPP · 14 mm · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. BSPP | 14 mm | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 1720 | bar | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker High-Pressure Plug, 14 mm Tube OD x 1/2 in. BSPP · Cone and Thread (Closure) · 1/2 in. BSPP · 14 mm · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. BSPP | 14 mm | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 1720 | bar | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok High-Pressure Plug, 10 mm Tube OD x 1/2 in. BSPP · Cone and Thread (Closure) · 1/2 in. BSPP · 10 mm · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. BSPP | 10 mm | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 2760 | bar | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker High-Pressure Plug, 10 mm Tube OD x 1/2 in. BSPP · Cone and Thread (Closure) · 1/2 in. BSPP · 10 mm · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. BSPP | 10 mm | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 2760 | bar | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Swagelok High-Pressure Plug, 6 mm Tube OD x 1/2 in. BSPP · Cone and Thread (Closure) · 1/2 in. BSPP · 6 mm · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. BSPP | 6 mm | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 4130 | bar | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||
| Metric · Parker High-Pressure Plug, 6 mm Tube OD x 1/2 in. BSPP · Cone and Thread (Closure) · 1/2 in. BSPP · 6 mm · Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer)Each | Plug | Cone and Thread (Closure) | 1/2 in. BSPP | 6 mm | 316 Stainless Steel | Metal-to-metal, coned-and-threaded (gland nut + collar, no elastomer) | 4130 | bar | -425 to 1000 F (-254 to 537 C) | High Pressure (Cone-and-Thread) | 1 | 2,700,000 | — | ||
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2,700,000 IRR / Pkg. Each | |||||||||||||||