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 steel
NSN 5985-01-500-1864
NSN 5945-01-079-5854
NSN 5920-01-591-2410
NSN 5930-01-505-0143
NSN 5935-00-522-7923
NSN 5835-00-823-6116
NSN 6145-01-350-6943
NSN 6135-01-071-4923
NSN 6150-00-257-5027
NSN 5835-01-126-9358
NSN 5905-01-513-0588
NSN 6150-00-924-2271