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 2925-00-155-8091
NSN 5965-01-013-0290
NSN 5999-01-174-8921
NSN 6220-00-581-3858
NSN 5935-01-493-6268
NSN 5996-00-079-1268
NSN 5950-00-057-1018
NSN 5855-01-460-7628
NSN 5910-00-655-3036
NSN 6135-00-276-7625
NSN 6620-01-535-0070
NSN 4140-00-043-0279