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 6320-01-466-4175
NSN 6610-00-877-1029
NSN 6650-01-099-4340
NSN 5950-00-185-9588
NSN 5905-00-602-0382
NSN 5935-00-935-5769
NSN 6220-01-131-2377
NSN 5930-01-386-9311
NSN 6320-01-600-5808
NSN 6220-00-113-3622
NSN 5905-01-323-7807
NSN 5999-01-083-7582