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 5905-01-215-7267
NSN 7035-00-946-2642
NSN 4140-00-351-7085
NSN 5910-01-533-9988
NSN 6105-00-551-3747
NSN 5935-00-246-5280
NSN 7035-01-134-7080
NSN 5930-01-432-6618
NSN 6645-01-645-4291
NSN 6240-00-777-1878
NSN 6320-00-857-4073
NSN 6220-01-076-3695