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 5895-01-438-6281
NSN 5975-01-483-7719
NSN 6240-01-206-7882
NSN 5855-00-832-9341
NSN 6320-01-629-1277
NSN 6320-01-476-7702
NSN 5855-01-279-9938
NSN 5930-01-005-0062
NSN 5935-01-028-3667
NSN 5998-01-548-5035
NSN 6650-01-435-1168
NSN 5985-00-905-7167