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 5935-01-541-4139
NSN 6320-00-194-4252
NSN 5996-00-661-1151
NSN 5945-01-408-5522
NSN 5945-01-382-1421
NSN 6105-01-137-2679
NSN 5935-00-803-1445
NSN 5975-00-089-3905
NSN 6240-01-130-7854
NSN 7035-01-423-8343
NSN 5960-01-026-5511
NSN 5960-01-599-9821