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 5985-01-353-5499
NSN 5915-01-434-8946
NSN 5915-01-441-4122
NSN 6240-00-929-8574
NSN 5915-01-316-3478
NSN 6685-01-181-7189
NSN 5915-01-191-3762
NSN 5895-01-250-3845
NSN 6650-01-373-8067
NSN 5835-01-349-5420
NSN 6610-00-186-9180
NSN 5910-01-450-3168