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 6130-01-281-3239
NSN 6150-01-335-0679
NSN 5935-00-693-1166
NSN 6685-01-201-4178
NSN 5835-01-385-0579
NSN 5855-01-398-0090
NSN 5910-00-735-4067
NSN 6610-01-059-5271
NSN 6150-00-152-6688
NSN 5965-00-665-2156
NSN 5905-01-492-6784
NSN 5920-01-605-1080