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 5950-01-101-7983
NSN 5996-00-583-0607
NSN 6610-01-406-6696
NSN 6610-01-381-0652
NSN 6240-01-483-8619
NSN 4140-01-231-9196
NSN 5960-00-428-3679
NSN 5960-00-759-9463
NSN 5996-01-566-0344
NSN 2925-01-063-7876
NSN 5925-01-476-5666
NSN 6145-01-136-7177