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 5999-01-572-6348
NSN 5915-01-407-8216
NSN 6685-00-082-1939
NSN 5895-00-753-5349
NSN 6620-01-561-5310
NSN 6685-01-212-3259
NSN 5925-01-421-3154
NSN 6610-00-618-6192
NSN 6105-00-468-6323
NSN 5950-00-551-3105
NSN 6220-01-195-6637
NSN 5930-01-487-3019