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 6685-01-388-2574
NSN 7035-00-371-7749
NSN 5905-01-630-5357
NSN 5925-01-192-8786
NSN 6220-00-994-5033
NSN 6650-00-695-0304
NSN 5950-00-501-1101
NSN 6150-00-574-9021
NSN 6645-01-192-4079
NSN 7035-01-450-2289
NSN 6110-01-158-5680
NSN 5855-01-275-3111