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 6610-01-505-3495
NSN 5895-00-203-2379
NSN 4140-01-492-5999
NSN 5910-01-323-4819
NSN 6320-01-540-4885
NSN 6130-01-657-5361
NSN 5915-01-455-4331
NSN 5920-01-079-7280
NSN 6645-01-529-5690
NSN 5910-00-721-4304
NSN 6220-01-323-7897
NSN 5990-00-091-0669