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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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Compact Extreme-Pressure Steel Threaded Pipe Fittings
These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are zinc-plated steel, which have better corrosion resistance than plain steel fittings. BSPP and metric male threads have either a gasket, or a gasket and washer, to prevent leaks.
Plugs with External Hex Drive


BSPP and Metric
Male Threads with
Gasket and Washer
Male Threads with
Gasket and Washer
- For Use With: See table
- Specifications Met: See table
Thread Size | Plug Construction | Max. Pressure | Material | For Use With | Specifications Met | Washer Material | Each | |
Metric Male | ||||||||
---|---|---|---|---|---|---|---|---|
M10 × 1 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 00000 |
M12 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 0000 |
M14 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 0000 |
M16 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 0000 |
M18 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 0000 |
M20 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 00000 |
M22 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 00000 |
M24 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 00000 |
M26 × 1.5 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 00000 |
M30 × 2 mm | Solid | 5,600 psi @ 72° F | Zinc Plated Steel | Air, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 6149, ISO 9974 | Steel | 00000000 | 00000 |
Replacement Washers

- Temperature Range: -20° to 230° F
For Thread Size | Gasket Material | Washer Material | Thickness | Each | |
For Metric Male | |||||
---|---|---|---|---|---|
M10 | Buna-N Rubber | Steel | 2mm | 00000000 | 00000 |
M12 | Buna-N Rubber | Steel | 1.5mm | 00000000 | 0000 |
M14 | Buna-N Rubber | Steel | 1.5mm | 00000000 | 0000 |
M16 | Buna-N Rubber | Steel | 1.5mm | 00000000 | 0000 |
M18 | Buna-N Rubber | Steel | 1.5mm | 00000000 | 0000 |
M20 | Buna-N Rubber | Steel | 1.5mm | 00000000 | 0000 |
M22 | Buna-N Rubber | Steel | 2mm | 00000000 | 0000 |
M24 | Buna-N Rubber | Steel | 2mm | 00000000 | 0000 |
M26 | Buna-N Rubber | Steel | 2.5mm | 00000000 | 0000 |
M30 | Buna-N Rubber | Steel | 2mm | 00000000 | 0000 |