Aluminum 3" Female NH to 3" Male NPT Pick One Side_6 inch Carbon Steel 4" Flange x

Carbon Steel 4" Flange x 4 1/2" Female NH

Compatible part number - SF25F15T

Please see our Wrenches category under All Products for various storz hydrant wrenches and spanner wrenches

In the fire service

The outside diameter of a 3

Aluminum 3" Female NH to 3" Male NPT Pick One Side_6 inch Carbon Steel 4" Flange xAluminum adapters are fabricated from seamless extruded 6061 T6 aluminum and hard coat anodized per MIL A 8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Adapters and components meet the requirements of NFPA 1963. Note 3 inch NH NST is very rare and is often confused with 2. 5 inch NH NST which is very common. If you have a fire department