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 6240-01-259-2090
NSN 5990-01-414-7618
NSN 6610-01-376-9199
NSN 5855-00-228-8446
NSN 4140-01-462-0268
NSN 6110-00-077-4724
NSN 6685-00-467-6096
NSN 4140-01-544-8168
NSN 7035-00-349-8571
NSN 6220-01-202-8907
NSN 5930-01-215-1476
NSN 4140-00-264-5796