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 5960-00-280-8629
NSN 6150-00-398-0833
NSN 5999-01-095-8638
NSN 6320-01-204-2922
NSN 6685-00-444-6500
NSN 6650-01-125-4989
NSN 5996-01-287-8311
NSN 5960-01-122-9373
NSN 5996-01-153-0531
NSN 6240-01-288-0555
NSN 6145-00-726-8411
NSN 5905-01-206-9394