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 5965-01-150-1920
NSN 5910-01-071-6924
NSN 6150-01-328-6206
NSN 6220-01-462-8112
NSN 6145-01-442-0621
NSN 5930-00-698-0424
NSN 5920-00-578-3750
NSN 5930-00-957-0977
NSN 6130-01-578-6294
NSN 5895-01-504-2453
NSN 7035-01-502-8236
NSN 6150-01-090-1631