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 5930-01-443-3691
NSN 6685-00-795-7033
NSN 5950-00-782-1398
NSN 5990-01-231-9608
NSN 5925-01-444-2746
NSN 5975-01-619-0947
NSN 5935-01-116-2132
NSN 2925-01-190-9352
NSN 5935-01-065-8068
NSN 2925-01-179-7795
NSN 5960-00-300-2358
NSN 5910-00-816-0542