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 5895-01-477-1388
NSN 5996-01-101-7171
NSN 5945-01-104-4926
NSN 7035-00-945-3166
NSN 5996-00-862-5514
NSN 5935-00-637-2643
NSN 5975-01-373-1724
NSN 5960-00-911-3422
NSN 6220-01-476-9155
NSN 6685-01-245-5229
NSN 5915-01-155-8720
NSN 5945-01-433-7528