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 5905-01-323-0906
NSN 6105-01-120-4285
NSN 5935-01-025-0926
NSN 4140-01-209-6625
NSN 6645-00-982-7204
NSN 5925-00-473-2622
NSN 6320-01-116-3980
NSN 6320-01-029-4220
NSN 2925-00-284-1534
NSN 6150-01-466-8045
NSN 5915-01-215-1473
NSN 5905-01-461-8465