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 7035-01-336-0464
NSN 5895-01-272-8881
NSN 6645-01-534-3148
NSN 5920-01-025-1618
NSN 5998-01-160-7099
NSN 5930-01-508-0537
NSN 5915-00-587-2521
NSN 6610-01-425-1523
NSN 6130-01-634-0603
NSN 5915-00-518-1644
NSN 4140-01-489-0391
NSN 6220-01-634-0660