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 5975-01-459-7763
NSN 5835-01-509-8992
NSN 5855-01-573-0761
NSN 6610-00-359-2226
NSN 2925-01-135-8377
NSN 5920-01-434-5559
NSN 4140-01-652-3299
NSN 5930-01-386-3068
NSN 5960-01-097-6817
NSN 5915-01-047-1675
NSN 6105-01-368-1380
NSN 7035-01-555-7761