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 6105-00-249-5542
NSN 5999-00-499-6475
NSN 6130-01-372-9752
NSN 5910-01-124-9618
NSN 5960-00-702-5301
NSN 6240-01-633-9357
NSN 5990-00-140-1159
NSN 5835-00-387-4759
NSN 6610-01-533-2158
NSN 5950-00-445-7549
NSN 5990-01-426-7350
NSN 6130-01-487-8699