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 5895-01-212-8737
NSN 5930-01-548-3931
NSN 5960-00-337-7628
NSN 5835-01-171-0258
NSN 6145-01-535-6896
NSN 5895-01-415-7219
NSN 5895-01-558-3004
NSN 6320-01-160-7757
NSN 5945-01-467-2877
NSN 6110-01-423-9193
NSN 5935-01-487-4326
NSN 5999-01-139-3435