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 6645-01-430-4125
NSN 5996-01-633-7979
NSN 6110-00-959-3386
NSN 6240-00-557-7471
NSN 6610-01-323-0901
NSN 5975-00-407-4206
NSN 5996-00-218-1123
NSN 6620-01-067-8336
NSN 6320-01-374-9924
NSN 6130-00-079-3581
NSN 6150-01-098-8477
NSN 6135-00-840-6451