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 6150-01-146-3462
NSN 5996-01-250-6023
NSN 5990-00-622-1010
NSN 5895-01-347-8123
NSN 5910-00-564-4145
NSN 6320-00-853-1920
NSN 5965-01-586-6988
NSN 6135-01-222-0703
NSN 6130-01-357-5029
NSN 6650-01-651-9502
NSN 6105-00-097-1371
NSN 5998-00-976-1860