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 5996-00-097-6713
NSN 6105-01-082-6772
NSN 6645-01-554-9772
NSN 6135-01-333-6737
NSN 6610-01-349-6333
NSN 5996-00-479-3046
NSN 6105-00-368-0066
NSN 6150-00-435-3551
NSN 6610-01-077-6783
NSN 5985-01-068-8840
NSN 6610-01-507-4356
NSN 5835-01-117-6124