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 5915-01-426-8862
NSN 5910-01-244-3440
NSN 5960-01-316-8100
NSN 5998-00-759-8159
NSN 5935-01-355-2502
NSN 5935-00-362-3873
NSN 6130-01-634-0603
NSN 5855-00-885-8452
NSN 5960-01-369-8666
NSN 5999-00-199-5285
NSN 5910-01-417-6583
NSN 5985-01-578-2216