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 6610-01-461-8180
NSN 6130-00-528-1266
NSN 5855-00-483-0020
NSN 5905-00-929-5136
NSN 6650-01-654-4927
NSN 6320-00-456-0836
NSN 4140-01-311-9755
NSN 7035-00-104-7613
NSN 5930-01-356-7615
NSN 5935-01-569-8082
NSN 5985-01-364-0961
NSN 6645-01-570-3215