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 6685-00-235-7248
NSN 5960-01-340-4487
NSN 7035-01-300-1599
NSN 5895-01-090-0567
NSN 5945-00-575-6890
NSN 4140-00-274-3333
NSN 5950-01-578-5818
NSN 5835-00-929-6623
NSN 5950-01-513-2522
NSN 5950-01-401-5321
NSN 5915-01-633-9845
NSN 5935-01-529-6522