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 4140-01-374-4077
NSN 6150-00-539-9812
NSN 5930-00-473-2162
NSN 5996-00-844-1091
NSN 6610-00-764-4015
NSN 6105-00-989-4097
NSN 5945-00-247-6660
NSN 5925-01-292-2329
NSN 5895-01-019-0935
NSN 6650-00-155-8431
NSN 5960-00-967-3340
NSN 5975-01-062-7258