Aluminum 4" Female NH to 3" Male NH Swivel / Rigid_Swivel Female double jacket or rubber covered

double jacket or rubber covered hose for other applications

This product in made in the USA

These will fit most rubber covered LDH firefighting grade supply hose and are the OEM couplings for Key Fire Hose Pro-Flow LDH

Constructed from 10 oz vinyl

Collar screws take a 5/16 inch allen wrench

Aluminum 4" Female NH to 3" Male NH Swivel / Rigid_Swivel Female double jacket or rubber coveredAluminum 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