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 5925-00-845-3430
NSN 5985-01-095-3849
NSN 5920-00-216-8665
NSN 5965-00-871-2678
NSN 6150-00-302-6184
NSN 6150-01-581-5249
NSN 5999-01-142-3408
NSN 5996-01-461-8897
NSN 7035-01-529-0126
NSN 6105-00-531-4690
NSN 6135-00-900-2139
NSN 6650-01-044-5057