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 5855-00-586-6255
NSN 5985-00-173-2965
NSN 5835-01-531-0379
NSN 6105-01-086-8951
NSN 5855-01-522-3640
NSN 6610-01-146-0331
NSN 5920-01-644-3526
NSN 5985-01-230-5152
NSN 4140-01-319-7786
NSN 6645-00-892-5750
NSN 5999-01-599-6379
NSN 5895-01-218-5745