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 7035-01-312-5860
NSN 6150-01-445-0680
NSN 6650-01-395-1882
NSN 5910-00-204-7524
NSN 6240-01-356-5855
NSN 5895-01-423-2687
NSN 5915-01-132-6577
NSN 6685-00-386-9003
NSN 6645-01-221-3704
NSN 5990-01-630-5094
NSN 6650-00-769-3003
NSN 5920-01-152-7035