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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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O-Rings for Brass Compression Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: -20° to 212° F
Use these O-rings with brass compression tube fittings that have BSPP male threads. They create a seal on the BSPP male threads to guard against leaks.
| For Pipe Size  | For Thread Type | For Gender | O-Ring Material | Max. Pressure | Each | |
| 1/8 | BSPP | Male | Buna-N Rubber, Steel | 2100 psi @ 72 ° F | 000000000 | 00000 |
| 1/4 | BSPP | Male | Buna-N Rubber, Steel | 2100 psi @ 72 ° F | 000000000 | 0000 |
| 3/8 | BSPP | Male | Buna-N Rubber, Steel | 1900 psi @ 72 ° F | 000000000 | 0000 |
| 1/2 | BSPP | Male | Buna-N Rubber, Steel | 1400 psi @ 72 ° F | 000000000 | 0000 |
| 3/4 | BSPP | Male | Buna-N Rubber, Steel | 1000 psi @ 72 ° F | 000000000 | 0000 |
| 1 | BSPP | Male | Buna-N Rubber, Steel | 1000 psi @ 72 ° F | 000000000 | 0000 |