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 5930-00-359-0864
NSN 5855-01-634-0259
NSN 6105-00-975-4011
NSN 5855-01-537-3481
NSN 5905-01-462-0685
NSN 5985-00-367-3980
NSN 5935-01-487-8470
NSN 5950-01-359-2601
NSN 5835-01-632-6627
NSN 5990-01-497-2138
NSN 6610-01-416-2738
NSN 5975-00-089-9915