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 5985-01-314-2057
NSN 7035-01-062-0184
NSN 5930-00-171-8867
NSN 6685-01-148-5834
NSN 5935-01-420-2554
NSN 5910-01-474-6341
NSN 4140-01-172-4535
NSN 5945-01-359-1405
NSN 6320-01-350-5570
NSN 5945-00-293-8333
NSN 6105-01-429-0232
NSN 6130-01-621-4074