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 6145-00-006-3283
NSN 5920-01-143-5002
NSN 5996-00-087-3408
NSN 6645-01-500-0827
NSN 6645-01-245-4341
NSN 2925-01-487-0886
NSN 5835-01-626-9603
NSN 5910-01-397-4650
NSN 5935-00-714-5575
NSN 5985-01-015-8650
NSN 7035-01-628-3485
NSN 2925-01-477-8037