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 5855-01-481-3906
NSN 5990-01-314-2264
NSN 5965-01-641-7342
NSN 6105-00-239-4194
NSN 5835-01-414-3258
NSN 6130-00-187-0211
NSN 6620-00-689-4456
NSN 5915-01-468-9952
NSN 2925-01-443-5929
NSN 5905-00-661-2395
NSN 5855-00-427-7848
NSN 6610-00-277-7206