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 5975-01-391-5981
NSN 4140-01-043-8556
NSN 5990-01-032-5160
NSN 6610-01-625-6855
NSN 6320-01-462-3555
NSN 5835-01-268-1924
NSN 5950-01-331-2615
NSN 6130-00-725-1410
NSN 5855-01-259-0151
NSN 6685-01-327-4090
NSN 6240-01-177-9361
NSN 5990-00-455-9865