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 5996-01-445-7284
NSN 5915-00-950-5605
NSN 6620-01-600-0479
NSN 5935-01-512-1136
NSN 5895-00-915-4541
NSN 5930-01-488-9679
NSN 5998-01-305-0500
NSN 6620-01-408-4464
NSN 5950-01-213-7201
NSN 5905-01-230-2593
NSN 4140-01-394-5286
NSN 5975-01-241-0162