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 5960-01-495-0859
NSN 6240-01-045-9269
NSN 6620-00-555-3992
NSN 5835-00-180-7555
NSN 5965-01-608-5046
NSN 6105-00-456-6328
NSN 6150-00-495-6008
NSN 6320-01-098-2503
NSN 5910-01-096-6967
NSN 6105-01-566-4419
NSN 5835-01-350-0566
NSN 6105-01-401-5361