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 materials other than copper, iron or steel
NSN 5895-01-175-7450
NSN 6620-01-327-1597
NSN 5915-01-171-1746
NSN 6145-01-272-3365
NSN 6105-00-758-6340
NSN 5915-01-473-7193
NSN 5935-01-414-3214
NSN 5935-00-197-0600
NSN 5925-01-282-8991
NSN 5855-01-054-9014
NSN 6145-00-581-1629
NSN 6610-01-633-8931