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 6150-01-336-3813
NSN 5990-01-433-7886
NSN 5925-01-264-0616
NSN 5990-01-389-1196
NSN 7035-01-232-7263
NSN 5855-01-387-1928
NSN 5985-01-314-0592
NSN 6135-01-278-9717
NSN 7035-01-596-3411
NSN 6650-01-465-5362
NSN 5930-01-495-8302
NSN 6685-01-175-4590