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 5996-01-349-9234
NSN 5960-01-649-1341
NSN 5915-00-116-3853
NSN 5950-01-067-7400
NSN 6320-01-461-5866
NSN 6620-00-635-7347
NSN 5915-00-216-5909
NSN 6685-01-593-1528
NSN 5915-01-337-2071
NSN 6620-01-255-7757
NSN 6320-00-583-3104
NSN 6150-01-281-9678