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 5835-00-102-2373
NSN 5999-01-642-6339
NSN 5915-01-392-4409
NSN 6110-00-479-0403
NSN 5990-00-091-7110
NSN 6145-01-459-8150
NSN 5990-00-506-8315
NSN 5998-01-462-2625
NSN 7035-00-079-7189
NSN 5925-01-133-7246
NSN 5835-01-622-2556
NSN 6645-01-145-7357