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 6145-01-495-2987
NSN 6130-01-233-8882
NSN 5950-01-033-6480
NSN 6220-00-737-5629
NSN 5945-00-473-1920
NSN 6645-00-310-5839
NSN 5935-00-223-6220
NSN 6240-00-156-1607
NSN 6220-00-106-4693
NSN 5925-00-013-9423
NSN 4140-01-634-0330
NSN 5960-01-435-1167