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 5960-00-483-0161
NSN 5985-01-514-2271
NSN 5935-01-467-2575
NSN 5960-00-925-2111
NSN 5910-00-452-4268
NSN 5965-00-996-3541
NSN 6650-00-255-2633
NSN 6130-01-303-4641
NSN 6240-01-066-6522
NSN 5985-00-556-6015
NSN 6685-00-663-9000
NSN 5935-00-959-5668