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 6135-00-968-8594
NSN 5960-01-578-5537
NSN 6130-01-498-0636
NSN 5990-01-463-5400
NSN 5999-00-737-0503
NSN 6145-00-553-8196
NSN 6150-00-761-3316
NSN 6135-01-423-7502
NSN 5835-01-131-2027
NSN 5920-00-369-0923
NSN 5935-01-193-5505
NSN 5975-01-290-4719