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 5985-01-254-2269
NSN 6220-01-485-0333
NSN 6135-01-281-4758
NSN 6105-01-353-6588
NSN 6650-00-942-1231
NSN 5935-01-616-9632
NSN 5945-01-437-6240
NSN 5950-01-376-2008
NSN 2925-01-063-7876
NSN 6650-00-356-8405
NSN 6610-01-518-9347
NSN 5915-00-338-8610