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 5985-00-006-2031
NSN 6135-01-545-5519
NSN 6145-01-389-2357
NSN 6135-01-056-4609
NSN 5999-00-772-3726
NSN 5960-01-364-1318
NSN 5835-00-594-4921
NSN 6685-01-443-9723
NSN 6240-01-395-3873
NSN 5835-00-217-2147
NSN 6130-01-383-2587
NSN 5999-01-533-9899