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 6610-01-462-9439
NSN 5895-01-481-4606
NSN 5960-01-016-5387
NSN 5895-00-099-9532
NSN 5945-00-565-9723
NSN 5915-01-472-4169
NSN 6135-01-534-3007
NSN 5915-01-167-8506
NSN 2925-01-157-9204
NSN 4140-00-218-0804
NSN 5960-01-411-5899
NSN 6145-01-337-3930