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 5990-00-898-2675
NSN 5930-01-563-3139
NSN 6150-01-360-1516
NSN 5960-01-449-1310
NSN 5975-01-212-0888
NSN 5945-00-971-8293
NSN 6130-00-411-9535
NSN 6110-00-930-8191
NSN 6105-01-356-7805
NSN 5945-01-190-4683
NSN 6320-01-272-7072
NSN 5920-00-594-3124