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 6320-01-313-2709
NSN 5895-01-399-0240
NSN 5835-01-424-2782
NSN 6645-01-366-2379
NSN 4140-00-027-5150
NSN 5996-01-023-8370
NSN 6685-01-385-5901
NSN 7035-01-322-8180
NSN 5985-00-331-8887
NSN 6685-01-460-5031
NSN 5925-01-464-4477
NSN 6150-01-386-3844