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 6105-00-173-2773
NSN 4140-01-540-1969
NSN 5930-01-129-8875
NSN 5965-01-274-5016
NSN 7035-00-104-7613
NSN 6145-01-163-6577
NSN 5905-00-435-9521
NSN 6110-01-243-1677
NSN 5965-01-454-8076
NSN 6135-01-050-3194
NSN 5855-01-359-5727
NSN 5895-00-505-0022