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 6110-00-011-3711
NSN 5935-00-877-0506
NSN 2925-01-036-8251
NSN 5930-01-446-7322
NSN 5910-00-855-2389
NSN 5998-01-601-7089
NSN 5935-00-057-1748
NSN 6650-00-862-2142
NSN 6610-01-645-4688
NSN 6685-00-988-3444
NSN 5985-01-543-3075
NSN 6220-01-477-2787