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 6150-00-925-2465
NSN 6110-00-105-0428
NSN 5945-00-789-8596
NSN 5935-00-339-2783
NSN 6320-01-573-6490
NSN 6150-00-233-6356
NSN 2925-00-845-1480
NSN 6610-01-120-7670
NSN 7035-00-481-5182
NSN 6150-01-458-7246
NSN 2925-01-600-2309
NSN 5999-01-452-5286