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 6650-00-820-4577
NSN 5965-01-464-7983
NSN 5996-01-295-3407
NSN 2925-01-434-6945
NSN 5915-01-393-2708
NSN 5920-00-245-0250
NSN 5835-01-457-5630
NSN 5905-01-032-4866
NSN 6150-01-631-4051
NSN 6645-01-381-6084
NSN 5965-01-116-1886
NSN 5996-00-856-5810