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 5998-00-076-3269
NSN 5965-01-430-4654
NSN 6650-00-184-1581
NSN 5835-01-187-8986
NSN 5960-00-018-3477
NSN 5925-01-541-3101
NSN 5925-01-347-0358
NSN 6650-01-455-1805
NSN 5990-01-348-2497
NSN 5930-01-509-0531
NSN 5910-01-415-7087
NSN 7035-01-256-3973