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 6110-00-012-2734
NSN 5915-00-917-9424
NSN 7035-01-056-5350
NSN 6650-01-237-4689
NSN 5925-01-216-2172
NSN 5975-00-278-7437
NSN 7035-01-026-0117
NSN 6150-00-997-5861
NSN 7035-01-391-3518
NSN 5920-00-126-1873
NSN 6220-01-159-5256
NSN 7035-01-555-8289