Milton S-602 - 1/4" M. End, 3/8" Id Hose, 2/Cd. Brass hose fittings are used to assemble new hoses or replace old fittings on hoses. A hose clamp may also be used but is not as desirable. For best results and professional finished product the hose end should be secured with a crimped ferrule. Hose end Male end with barb 3/8" Hose ID 1/4" Male NPT Brass Skincard.