A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6220-01-003-1929
NSN 5920-00-815-5599
NSN 5915-01-015-8849
NSN 6610-01-387-5630
NSN 6145-00-834-2676
NSN 5985-01-592-2163
NSN 6240-00-009-2055
NSN 6650-01-592-5713
NSN 6105-01-605-5113
NSN 6610-01-341-1598
NSN 5905-01-244-4469
NSN 2925-01-575-3192