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 5835-01-515-6537
NSN 6240-00-933-5823
NSN 5835-01-076-4091
NSN 6105-01-629-8696
NSN 6150-01-337-5903
NSN 6320-01-448-6216
NSN 6685-00-807-5952
NSN 5985-00-953-1132
NSN 6645-01-574-6160
NSN 5895-01-025-0971
NSN 6130-00-935-8667
NSN 5985-01-631-8905