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 5996-00-175-7782
NSN 5930-01-612-4845
NSN 6645-01-471-4960
NSN 5895-00-004-2753
NSN 6650-00-071-0612
NSN 6610-00-284-3093
NSN 5935-01-204-3389
NSN 6145-00-170-6872
NSN 5910-01-127-7340
NSN 6685-00-349-8943
NSN 5910-01-169-1543
NSN 5935-01-599-0058