A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of steel
NSN 4140-01-199-8927
NSN 5998-01-519-7384
NSN 5835-00-441-5004
NSN 5895-01-460-6450
NSN 6650-00-067-3572
NSN 6240-00-263-0549
NSN 7035-00-135-4758
NSN 5998-01-634-0604
NSN 4140-01-323-1685
NSN 6610-01-381-0652
NSN 4140-01-597-2287
NSN 6110-01-451-0615