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 6145-01-314-7788
NSN 5998-01-625-4957
NSN 5960-00-032-9715
NSN 5835-00-918-8169
NSN 5895-01-123-6815
NSN 5855-00-285-8172
NSN 5930-01-055-3364
NSN 5960-01-151-4518
NSN 5950-00-097-8933
NSN 5835-01-432-1277
NSN 5950-01-193-9880
NSN 6320-01-270-1419