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 5915-00-156-7877
NSN 5935-00-199-8300
NSN 5965-00-560-5804
NSN 7035-01-556-9183
NSN 5996-00-229-1625
NSN 5905-00-683-8096
NSN 6145-01-391-6199
NSN 5835-01-352-7211
NSN 6150-00-946-6343
NSN 5996-00-222-6049
NSN 5945-00-039-6959
NSN 2925-01-547-4565