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 6130-01-111-9865
NSN 4140-00-054-6467
NSN 5910-01-566-9082
NSN 5990-01-439-4643
NSN 6620-01-412-0938
NSN 5855-01-626-8763
NSN 5975-01-545-8645
NSN 5945-01-202-8119
NSN 5855-01-068-3683
NSN 4140-01-198-9990
NSN 6685-00-901-7219
NSN 5920-00-135-4930