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 5905-00-536-1056
NSN 5960-01-398-4883
NSN 6130-01-221-2742
NSN 5996-01-295-1672
NSN 6320-00-593-0379
NSN 5855-01-213-9076
NSN 5925-01-506-2181
NSN 5950-00-183-9396
NSN 6320-00-809-5744
NSN 6130-00-196-5292
NSN 5855-01-384-4914
NSN 6320-01-567-9792