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 5996-01-467-5366
NSN 5999-00-620-2398
NSN 6150-00-127-5179
NSN 5910-01-393-0754
NSN 5990-01-485-0260
NSN 5996-01-264-8463
NSN 2925-01-528-7333
NSN 6150-00-229-5822
NSN 5925-01-470-8778
NSN 5930-00-172-9890
NSN 5930-01-013-7895
NSN 5855-01-147-3262