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 6105-01-078-8286
NSN 5925-01-419-0832
NSN
NSN 5915-00-450-6821
NSN 4140-01-603-2381
NSN 6105-01-068-8143
NSN 5920-01-245-6070
NSN 6610-01-062-5178
NSN 6610-00-968-0612
NSN 2925-01-214-5333
NSN 5998-01-124-6589
NSN 6620-01-375-5724