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 6110-01-321-3164
NSN 2925-00-265-7539
NSN 5975-00-081-2171
NSN 5925-00-167-0592
NSN 4140-01-493-9032
NSN 5996-00-686-8818
NSN 2925-00-159-9003
NSN 5930-01-427-9851
NSN 6650-01-381-2972
NSN 5935-01-411-4784
NSN 5930-01-445-5272
NSN 6685-01-260-7365