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 6685-01-114-4292
NSN 4140-00-146-1633
NSN 5910-01-481-3658
NSN 5935-01-349-1032
NSN 5930-01-200-9627
NSN 5835-01-352-7211
NSN 5999-01-233-0854
NSN 4140-01-485-7625
NSN 6320-01-643-0850
NSN 6105-01-518-5841
NSN 6610-01-472-2757
NSN 5930-00-661-2280