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 5915-00-195-4236
NSN 5925-01-223-0475
NSN 5950-00-353-0136
NSN 6110-00-683-1022
NSN 5895-01-541-3061
NSN 6320-01-631-7828
NSN 5998-01-269-7529
NSN 6320-01-538-4782
NSN 5950-00-196-0355
NSN 6620-00-610-1272
NSN 5998-00-673-8570
NSN 7035-01-102-3788