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 6320-01-134-7267
NSN 6145-00-835-2298
NSN 5920-00-231-3922
NSN 6320-01-443-0974
NSN 6105-01-647-5773
NSN 6610-00-931-3655
NSN 6650-00-486-7924
NSN 5935-01-178-9597
NSN 6220-01-476-6221
NSN 5998-00-092-8678
NSN 7035-00-421-8710
NSN 5965-01-447-6219