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 5910-00-711-8497
NSN 5998-01-522-3391
NSN 6685-01-318-1877
NSN 6135-00-223-9563
NSN 5950-01-055-5035
NSN 5915-00-518-3343
NSN 6685-00-734-0131
NSN 5925-01-423-4643
NSN 6105-01-154-3916
NSN 6610-00-647-3830
NSN 6135-01-090-5365
NSN 5990-01-131-9055