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 2925-00-674-8608
NSN 5855-01-211-2437
NSN 5855-01-448-0695
NSN 5910-01-303-9972
NSN 5950-00-829-2668
NSN 5999-01-610-2024
NSN 5905-00-203-0013
NSN 6220-00-160-1298
NSN 6685-00-176-5883
NSN 5835-00-411-0591
NSN 6610-01-297-7004
NSN 5925-00-547-7739