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 6145-01-503-4924
NSN 5999-01-381-1139
NSN 6320-01-172-6103
NSN 5925-01-197-9899
NSN 5960-01-123-8775
NSN 6150-01-167-6836
NSN 5950-00-841-4704
NSN 5996-00-077-3220
NSN 6685-01-048-6411
NSN 6220-01-436-3703
NSN 5975-00-398-9716
NSN 7035-01-525-2120