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 5965-01-543-4934
NSN 6650-01-481-3618
NSN 5920-01-131-4374
NSN 6135-00-826-4798
NSN 5998-00-239-9026
NSN 5910-01-469-8568
NSN 5835-00-130-6404
NSN 5915-00-755-4181
NSN 5998-00-120-2221
NSN 5905-01-261-3522
NSN 6620-01-068-4498
NSN 5855-00-922-6459