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 6150-01-650-9820
NSN 6320-01-616-0843
NSN 5915-00-099-0347
NSN 4140-01-206-6457
NSN 5915-00-172-8089
NSN 5960-01-142-1995
NSN 5950-01-577-0320
NSN 7035-01-411-6062
NSN 6110-01-461-5116
NSN 6220-01-341-3745
NSN 6685-01-219-9754
NSN 6610-01-083-1446