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 6610-01-591-4374
NSN 2925-01-408-2088
NSN 5985-01-616-6525
NSN 7035-00-116-1900
NSN 5930-00-233-6480
NSN 5975-00-812-5048
NSN 5965-01-434-8759
NSN 5999-01-138-9975
NSN 6220-00-353-5730
NSN 4140-01-144-6841
NSN 5920-01-479-2217
NSN 5999-00-318-5804