4" NH / NST / NPSH Gasket (2-Pack) Pick One Side_1 Inch Carbon Steel 3" Flange x

Carbon Steel 3" Flange x 2 1/2" Male NH

Female to female adapters are used to bridge two male hose

Type "D" polypropylene 3 inch female camlock (Cam & Groove) coupler to 3 inch female NPT threads

Turn handle clockwise and expand the unit head until water stops flowing

4" NH / NST / NPSH Gasket (2-Pack) Pick One Side_1 Inch Carbon Steel 3" Flange xReplacement rubber gaskets are for female fire hose couplings or adapters. These gaskets will fit National Hose thread "NH", National Standard Thread "NST" or National Pipe Straight Hose "NPSH". These gaskets are known as face gaskets or swivel washers. Connections These replacement gaskets will fit brass or aluminum female fire hose couplings or adapters with NH NST or NPSH threads.