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 5925-00-480-6710
NSN 6240-01-329-4978
NSN 5910-01-519-8236
NSN 6105-00-189-0515
NSN 5975-01-010-4887
NSN 5915-00-439-0868
NSN 7035-00-922-5700
NSN 5920-00-149-0013
NSN 4140-00-168-6184
NSN 6650-01-050-8680
NSN 5975-01-315-2764
NSN 6110-01-452-0595