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 6240-01-184-6831
NSN 6135-01-334-3935
NSN 5960-01-187-7400
NSN 6130-01-332-2890
NSN 5905-01-159-0776
NSN 5925-01-196-2083
NSN 5985-01-233-4304
NSN 5945-01-327-6736
NSN 6135-00-170-8819
NSN 5905-01-008-9711
NSN 6320-00-636-0922
NSN 5945-00-257-0578