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 6620-01-201-9295
NSN 5999-01-541-4426
NSN 5965-00-735-9315
NSN 5835-00-003-0295
NSN 5960-01-013-6581
NSN 6240-01-378-7711
NSN 5945-00-244-1212
NSN 6610-00-263-3076
NSN 5996-01-351-7390
NSN 6610-01-312-1644
NSN 6240-00-079-0112
NSN 6110-00-822-4411