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 6610-01-418-3284
NSN 6110-00-575-9795
NSN 5915-00-296-7497
NSN 5915-00-170-6775
NSN 6320-01-296-3181
NSN 6110-01-518-6277
NSN 6110-01-631-7453
NSN 6610-01-323-9426
NSN 6145-01-626-5269
NSN 5905-01-422-1670
NSN 6610-00-588-7649
NSN 5985-01-544-3011