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 6145-01-552-7133
NSN 6320-01-056-1164
NSN 5999-01-338-0462
NSN 6220-01-549-0259
NSN 6145-01-483-1292
NSN 5999-01-420-3453
NSN 5905-00-681-8871
NSN 7035-00-731-8729
NSN 7035-01-263-5463
NSN 5965-00-752-5823
NSN 5975-01-257-1830
NSN 5920-00-185-9587