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 5920-01-282-4859
NSN 7035-01-152-7331
NSN 5975-01-317-7632
NSN 6240-01-188-7282
NSN 5999-01-389-4138
NSN 6610-01-449-8906
NSN 5965-01-184-2477
NSN 4140-00-827-1821
NSN 6145-01-145-5177
NSN 5915-00-148-0067
NSN 5990-01-076-8901
NSN 6110-01-457-5126