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 5996-00-111-1538
NSN 6105-00-288-5872
NSN 6620-00-482-1073
NSN 5985-01-273-8814
NSN 5975-00-090-3725
NSN 5996-01-430-0449
NSN 4140-00-144-6833
NSN 5930-01-079-9949
NSN 5996-01-472-5049
NSN 5935-00-721-2397
NSN 5998-00-407-6945
NSN 6150-00-075-4621