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 6320-01-498-4954
NSN 5950-01-190-0164
NSN 5996-00-456-5261
NSN 5975-01-205-1074
NSN 5996-00-900-5251
NSN 5990-01-434-7913
NSN 5999-01-602-3899
NSN 5915-01-571-7341
NSN 6320-00-937-5625
NSN 6645-01-550-9669
NSN 6130-01-569-5533
NSN 5920-01-293-7359