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 6145-01-377-4382
NSN 6685-00-588-9177
NSN 6145-00-719-7395
NSN 5935-01-320-2527
NSN 6610-00-053-9565
NSN 6130-01-219-1627
NSN 5935-00-871-9545
NSN 6320-01-029-4220
NSN 5985-01-541-4797
NSN 2925-01-633-4048
NSN 6150-01-500-1302
NSN 5975-00-380-5753