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 6620-00-902-9843
NSN 6135-00-686-4777
NSN 5950-00-847-0909
NSN 6110-01-454-6380
NSN 5920-01-205-3442
NSN 5895-01-022-4864
NSN 7035-00-830-1235
NSN 6105-00-999-3577
NSN 5998-00-187-8635
NSN 5920-00-030-5712
NSN 7035-01-499-9239
NSN 5835-01-116-2369