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 5998-01-548-7330
NSN 4140-01-355-7396
NSN 5965-01-476-0721
NSN 5945-01-428-1677
NSN 2925-00-371-0364
NSN 5915-01-609-8605
NSN 6150-01-202-7458
NSN 7035-01-106-3476
NSN 5998-01-150-6326
NSN 5920-00-610-3209
NSN 6105-01-606-9235
NSN 6105-00-721-6780