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 5960-00-557-6951
NSN 6150-00-785-9090
NSN 5975-01-456-5264
NSN 5996-01-290-4844
NSN 6320-01-439-5264
NSN 6610-01-426-5090
NSN 6110-00-683-1022
NSN 5950-00-661-2612
NSN 6320-01-150-5378
NSN 5985-01-170-1772
NSN 5990-01-218-5160
NSN 6150-00-508-5096