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 5990-00-911-2376
NSN 5920-00-703-0207
NSN 6135-00-856-1343
NSN 5935-01-468-7209
NSN 5925-01-267-6599
NSN 4140-01-295-8264
NSN 2925-00-278-9468
NSN 6620-01-654-7142
NSN 6610-01-183-4470
NSN 6150-01-040-8539
NSN 5996-01-087-0414
NSN 6135-01-100-3593