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 5915-01-451-4198
NSN 5835-01-160-7282
NSN 5915-00-485-5170
NSN 5996-01-354-9386
NSN 5975-01-040-7386
NSN 5965-01-168-8180
NSN 6105-00-248-5772
NSN 7035-01-189-1549
NSN 5996-01-375-4583
NSN 6220-01-385-6134
NSN 6650-00-617-3984
NSN 4140-00-778-8790