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 6130-01-568-4928
NSN 5930-01-087-2016
NSN 7035-01-386-5722
NSN 5915-01-493-5862
NSN 7035-01-301-6325
NSN 5925-01-381-0559
NSN 6110-01-076-9022
NSN 5985-00-116-6600
NSN 5835-00-289-9080
NSN 5910-01-179-0339
NSN 6685-01-292-5205
NSN 4140-01-012-3996