Aluminum 3" Female NPSH to 3" Male NH Threads_NH x NPT Aluminum plugs are fabricated from

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III

National Stock Number (NSN 4210-00-294-2648)

Allows for maximum flow for given pressure at all twist positions

Reinforced webbed straps make the handles strong and easy to use even when wearing thick firefighting gloves

Red 6 inch female dry hydrant rocker lug cap and chain with NH/NST threads

Aluminum 3" Female NPSH to 3" Male NH Threads_NH x NPT Aluminum plugs are fabricated fromAluminum 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