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 5998-01-427-8462
NSN 5985-00-330-0846
NSN 5905-01-532-1183
NSN 5965-00-588-6789
NSN 5855-01-430-3246
NSN 5930-01-467-6321
NSN 5930-01-575-8947
NSN 2925-01-574-0273
NSN 5975-01-242-8657
NSN 6320-00-519-0770
NSN 6110-01-184-3191
NSN 5895-01-464-6133