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 5915-01-455-7756
NSN 5945-00-966-4567
NSN 5999-01-351-0718
NSN 5835-01-442-6482
NSN 6610-01-447-2560
NSN 5935-01-320-2811
NSN 7035-00-371-7749
NSN 5925-00-145-9065
NSN 6240-01-415-5149
NSN 5915-00-240-3812
NSN 6240-01-160-8499
NSN 5895-00-548-7562