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 6620-00-694-0249
NSN 2925-00-562-9866
NSN 5985-00-913-4821
NSN 6135-01-398-5922
NSN 6220-01-102-6629
NSN 6240-01-064-5348
NSN 5905-01-427-3804
NSN 6135-00-194-9354
NSN 6150-01-227-8199
NSN 5910-00-409-3775
NSN 6135-00-942-7970
NSN 5999-00-142-5831