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 5960-01-207-9544
NSN 2925-01-359-9818
NSN 6620-01-223-9025
NSN 5998-01-445-5296
NSN 5975-01-522-1509
NSN 5910-01-382-4889
NSN 2925-01-254-3068
NSN 6240-01-147-0379
NSN 6685-01-328-4012
NSN 5998-01-258-6821
NSN 7035-01-123-8723
NSN 7035-01-467-7056