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 6145-01-165-2556
NSN 5990-01-057-4191
NSN 4140-01-227-6918
NSN 6130-00-979-5923
NSN 5985-00-331-2176
NSN 5915-01-480-6347
NSN 5910-01-391-5303
NSN 6240-01-310-8598
NSN 6145-00-753-2264
NSN 5920-00-333-9977
NSN 5835-00-594-4921
NSN 6145-01-445-2568