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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 galvanized and 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.
For technical drawings and 3-D models, click on a part number.
Straight Connectors, Male

- For Use With: See table
- Specifications Met:
NPTF and UN/UNF (SAE Straight): ASTM A108
BSPP: ISO 1179, ISO 8434-6
BSPT: DIN EN 10226-1, ISO 7-1
Pipe Size | Dash Size | Max. Pressure | Material | For Use With | Each | |
BSPT Male | ||||||
---|---|---|---|---|---|---|
1/8 | 02 | 5,100 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 000000 |
1/4 | 04 | 6,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
3/8 | 06 | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
1/2 | 08 | 4,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
3/4 | 12 | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
1 | 16 | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
1 1/4 | 20 | 2,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
1 1/2 | 24 | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | 00000000 | 00000 |
Straight Adapters, Female × Male

- For Use With: See table
- Specifications Met: See table
Pipe Size (A) | Dash Size (A) | Pipe Size (B) | Dash Size (B) | Max. Pressure | Material | For Use With | Specifications Met | Each | |
NPT Female × BSPT Male | |||||||||
---|---|---|---|---|---|---|---|---|---|
1 1/4 | 20 | 1 1/4 | 20 | 2,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 000000 |
1 1/2 | 24 | 1 1/2 | 24 | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 000000 |
2 | 32 | 2 | 32 | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 000000 |
3 | 48 | 3 | 48 | 1,120 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 0000000 | 000000 |
BSPP Female × BSPT Male | |||||||||
1/4 | 04 | 1/4 | 04 | 6,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
3/8 | 06 | 3/8 | 06 | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
1/2 | 08 | 1/2 | 08 | 4,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
1 | 16 | 1 | 16 | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
Straight Adapters, Male

- For Use With: See table
- Specifications Met: See table
Pipe Size (A) | Dash Size (A) | Pipe Size (B) | Dash Size (B) | Max. Pressure | Material | For Use With | Specifications Met | Each | |
BSPT Male × NPT Male | |||||||||
---|---|---|---|---|---|---|---|---|---|
1/8 | 02 | 1/8 | 02 | 5,100 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 000000 |
1/4 | 04 | 1/4 | 04 | 6,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
3/8 | 06 | 3/8 | 06 | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/2 | 08 | 1/2 | 08 | 4,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
3/4 | 12 | 3/4 | 12 | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1 | 16 | 1 | 16 | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1 1/4 | 20 | 1 1/4 | 20 | 2,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 0000000 | 00000 |
1 1/2 | 24 | 1 1/2 | 24 | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 0000000 | 000000 |
Straight Reducing Adapters, Female × Male

- For Use With: See table
- Specifications Met: See table
Pipe Size | Dash Size | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Lg. | Max. Pressure | Material | For Use With | Specifications Met | Each | |
NPT Female × BSPT Male | ||||||||||
1/8 | 1/4 | 02 | 04 | 57/64" | 6,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 000000 |
1/8 | 3/8 | 02 | 06 | 23mm | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/4 | 1/8 | 04 | 02 | 32mm | 5,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/4 | 3/8 | 04 | 06 | 36mm | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 0000000 | 00000 |
1/4 | 1/2 | 04 | 08 | 1 7/32" | 4,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/4 | 3/4 | 04 | 12 | 29mm | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 0000000 | 00000 |
1/4 | 1 | 04 | 16 | 40mm | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
3/8 | 1/4 | 06 | 04 | 40mm | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 0000000 | 00000 |
3/8 | 3/4 | 06 | 12 | 32mm | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/2 | 3/4 | 08 | 12 | 1 1/4" | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
3/4 | 1 | 12 | 16 | 1 19/32" | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1 1/4 | 1 1/2 | 20 | 24 | 59mm | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
BSPP Female × BSPT Male | ||||||||||
1/8 | 1/4 | 02 | 04 | 32mm | 6,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
1/4 | 3/8 | 04 | 06 | 22mm | 5,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
1/2 | 3/4 | 08 | 12 | 29mm | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
3/4 | 1 | 12 | 16 | 40mm | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 1179, ISO 7-1, ISO 8434-6 | 00000000 | 00000 |
Straight Reducing Adapters, Male

- For Use With: Air, Hydraulic Fluid, Oil, Water
- Specifications Met:
BSPP × NPT: ASME B1.20.3, ISO 1179, ISO 8434-6
BSPT × NPT: ASME B1.20.3, DIN EN 10226-1, ISO 7-1
Straight Reducers, Male

- For Use With:
NPTF: Air, Hydraulic Fluid, Water
BSPP and BSPT: Air, Hydraulic Fluid, Oil, Water - Specifications Met:
NPTF: ASTM A108
BSPP: ISO 1179, ISO 8434-6
BSPT: DIN EN 10226-1, ISO 7-1
Pipe Size | Dash Size | ||||||
---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Max. Pressure | Material | Each | |
BSPT Male | |||||||
1/4 | 1/8 | 04 | 02 | 5,100 psi @ 72° F | Galvanized Steel | 00000000 | 000000 |
3/8 | 1/4 | 06 | 04 | 5,500 psi @ 72° F | Galvanized Steel | 00000000 | 00000 |
1/2 | 1/4 | 08 | 04 | 4,500 psi @ 72° F | Galvanized Steel | 00000000 | 00000 |
1/2 | 3/8 | 08 | 06 | 4,500 psi @ 72° F | Galvanized Steel | 00000000 | 00000 |
3/4 | 1/2 | 12 | 08 | 3,500 psi @ 72° F | Galvanized Steel | 00000000 | 00000 |
1 | 3/4 | 16 | 12 | 3,000 psi @ 72° F | Galvanized Steel | 00000000 | 00000 |
Plugs with Hex Drive

- For Use With:
NPTF and UN/UNF (SAE Straight): Air, Hydraulic Fluid, Water
Metric, BSPP and BSPT: Air, Hydraulic Fluid, Oil, Water - Specifications Met: See table
Pipe Size | Dash Size | Drive Size | Max. Pressure | Material | Specifications Met | Each | |
BSPT Male | |||||||
---|---|---|---|---|---|---|---|
1/8 | 02 | 5 mm | 5,000 psi @ 72° F | Galvanized Steel | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/4 | 04 | 7 mm | 6,000 psi @ 72° F | Galvanized Steel | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
3/8 | 06 | 8 mm | 5,500 psi @ 72° F | Galvanized Steel | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
1/2 | 08 | 10 mm | 4,500 psi @ 72° F | Galvanized Steel | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
3/4 | 12 | 12 mm | 3,500 psi @ 72° F | Galvanized Steel | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
1 | 16 | 17 mm | 3,000 psi @ 72° F | Galvanized Steel | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
Plugs with External Hex Drive

- For Use With: See table
- Specifications Met: See table
Pipe Size | Dash Size | Plug Construction | Max. Pressure | Material | For Use With | Specifications Met | Each | |
BSPT Male | ||||||||
---|---|---|---|---|---|---|---|---|
1/8 | 02 | Hollow | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1/4 | 04 | Solid | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
3/8 | 06 | Solid | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
1/2 | 08 | Solid | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
5/8 | __ | Solid | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 0000 |
3/4 | 12 | Solid | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1 | 16 | Solid | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1 1/4 | 20 | Solid | 2,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
1 1/2 | 24 | Solid | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |
2 | 32 | Hollow | 2,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | DIN EN 10226-1, ISO 7-1 | 00000000 | 00000 |