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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Metal Garden Hose Fittings
Connect these fittings to rubber or plastic garden hose for a variety of water supply applications.
Zinc fittings have good corrosion resistance. Brass fittings have good corrosion resistance and are softer than other metal fittings, so they’re easier to thread together.
For technical drawings and 3-D models, click on a part number.
| Garden Hose Trade Size | Washer Material | Lg. | Pkg. Qty. | Pkg. | |
Brass | |||||
|---|---|---|---|---|---|
| 3/4 | Buna-N Rubber | 9/16" | 2 | 00000000 | 00000 |
Mounting | |||||||
|---|---|---|---|---|---|---|---|
| Garden Hose Trade Size | Washer Material | Lg. | Chain Lg. | Fasteners Included | Hole Dia. | Each | |
Zinc | |||||||
| 3/4 | CPVC Plastic | 4 13/32" | 12" | No | 1/4" | 00000000 | 00000 |
Plastic Garden Hose Fittings
Made of nylon, these fittings are lighter in weight than metal garden hose fittings. They have excellent impact and abrasion resistance and good corrosion resistance. Connect them to plastic or rubber garden hose for a variety of water supply applications.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 90 psi @ 72° F
| Garden Hose Trade Size | Color | Lg. | Pkg. Qty. | Pkg. | |
Nylon Plastic | |||||
|---|---|---|---|---|---|
| 3/4 | White | 3/4" | 10 | 00000000 | 000000 |
Cam-and-Groove Hose Couplings for Abrasive Material
Made of ductile iron, these couplings are tough enough to handle sand, cement, and other abrasive solids and slurries. They resist impact and wear better than aluminum and brass couplings. Use their cam-and-groove fittings to quickly connect and disconnect medium- to large-diameter hose lines. To connect, insert the plug into the socket and press the levers down. The levers fit snugly into the groove on the plug’s body and force the plug against the gasket, forming a tight seal. To disconnect, lift both levers and pull out the plug. A complete coupling consists of a plug and a socket (both sold separately).
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size.
Warning: Relieve all pressure before disconnecting the couplings. Do not use cam-and-groove couplings with compressed air or gas.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: See table
- Temperature Range: -20° to 250° F
- Specifications Met: Fed. Spec. A-A-59326
- Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, PT Coupling Cam-and-Groove
Caps | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Levers | 6" Retaining Chains | 12" Retaining Chains | |||||||||
| Coupling Size | Socket ID | No. of | Material | Pull Ring Material | Max. Pressure | Each | Each | Each | |||
Ductile Iron | |||||||||||
| 1 | 1 7/16" | 2 | 300 Series Stainless Steel | 300 Series Stainless Steel | 250 psi @ 72° F | 0000000 | 000000 | 00000000 | 00000 | 00000000 | 00000 |
| 1 1/2 | 2 1/8" | 2 | 300 Series Stainless Steel | 300 Series Stainless Steel | 250 psi @ 72° F | 0000000 | 00000 | 00000000 | 0000 | 00000000 | 0000 |
| 2 | 2 1/2" | 2 | 300 Series Stainless Steel | 300 Series Stainless Steel | 250 psi @ 72° F | 0000000 | 00000 | 00000000 | 0000 | 00000000 | 0000 |
| 3 | 3 5/8" | 2 | 300 Series Stainless Steel | 300 Series Stainless Steel | 200 psi @ 72° F | 0000000 | 00000 | 00000000 | 0000 | 00000000 | 0000 |
| 4 | 4 3/4" | 2 | 300 Series Stainless Steel | 300 Series Stainless Steel | 150 psi @ 72° F | 0000000 | 00000 | 00000000 | 0000 | 00000000 | 0000 |
Quick-Access Caps for Pin-Lug Fire Hydrants
These caps are the fastest way to access fire hydrants and washdown equipment. To install them, loop the eyebolts over the pin lugs of the hydrant and secure them in place with nuts. In an emergency, break the cap by hitting it or prying it off with a spanner wrench. Caps are aluminum, which is lightweight with good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| For Fire Hose Trade Size | Material | Lg. | Each | |
| 2 1/2 | Aluminum | 3 1/2" | 000000 | 000000 |
Rocker-Lug Fire Hydrant Caps and Plugs
The rocker lugs on these caps and plugs allow for easy gripping, so you can quickly close off fire hydrants and washdown equipment. Tighten with a hook-style spanner wrench (sold separately). Caps and plugs are brass for good corrosion resistance.
NH/NST (National Hose/National Standard) threads are only compatible with other NH/NST threads.