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 5990-01-280-0321
NSN 5905-01-202-8489
NSN 6220-01-580-0105
NSN 5935-01-606-8958
NSN 5999-01-359-5931
NSN 5910-01-190-1291
NSN 6145-01-505-2739
NSN 6145-00-332-4988
NSN 5925-01-297-2946
NSN 5990-00-824-7051
NSN 5960-01-525-1690
NSN 6110-01-601-8801