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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About Fire-Fighting Hose Threads
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Pin-Lug Fire-Fighting Hose Fittings
The pin lugs on these fittings allow for easy gripping, so you can quickly connect to fire hydrants and washdown equipment. Tighten with a hook-style spanner wrench (sold separately). All are brass for good corrosion resistance.
Fittings that swivel until tightened rotate to help prevent kinking during installation.
NH/NST (National Hose/National Standard) threads are only compatible with other NH/NST threads.
For technical drawings and 3-D models, click on a part number.
Straight Connectors (Swivels Until Tightened), NH/NST Female Threaded Hose
Fire Hose Trade Size | Material | Each | |
2 1/2 | Brass | 0000000 | 0000000 |
Straight Reducing Adapters (Swivels Until Tightened), NH/NST Female Threaded Hose × NPT Female Threaded Pipe
Fire Hose Trade Size (A) | Pipe Size (B) | Material | Each | |
2 1/2 | 2 | Brass | 0000000 | 0000000 |
Straight Reducing Adapters (Swivels Until Tightened), NPT Male Threaded Pipe × NH/NST Female Threaded Hose
Pipe Size (A) | Fire Hose Trade Size (B) | Material | Each | |
2 | 2 1/2 | Brass | 0000000 | 0000000 |