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 5945-00-855-0669
NSN 5999-01-306-0413
NSN 6130-01-415-0590
NSN 6220-01-454-3580
NSN 5835-01-515-6537
NSN 5930-01-328-5282
NSN 5996-01-434-4975
NSN 5935-01-290-9503
NSN 6320-01-506-9439
NSN 6145-01-510-3352
NSN 5925-01-249-9066
NSN 5905-01-507-4880