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 5835-01-044-2628
NSN 5895-01-174-4196
NSN 5895-00-381-9712
NSN 5930-01-089-8441
NSN 4140-01-196-0501
NSN 5998-00-359-7814
NSN 5835-00-926-0195
NSN 5905-00-173-9881
NSN 5895-01-189-1855
NSN 4140-00-068-8136
NSN 4140-01-368-2608
NSN 5915-01-429-8328