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 5910-00-789-8368
NSN 6150-01-429-8315
NSN 5835-01-133-4197
NSN 5930-00-338-3005
NSN 5930-01-128-5599
NSN 6685-01-422-5242
NSN 2925-01-500-0730
NSN 5998-01-522-4796
NSN 6145-01-614-8480
NSN 5975-01-583-1318
NSN 5915-01-176-3280
NSN 5905-01-442-7682