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 6105-00-275-0826
NSN 6240-01-603-9799
NSN 6105-01-296-9760
NSN 4140-01-006-5144
NSN 5895-00-011-7880
NSN 5999-00-241-6501
NSN 6610-01-153-8625
NSN 5905-00-170-8370
NSN 6240-00-456-2578
NSN 6220-01-451-3056
NSN 5935-01-619-1179
NSN 6110-01-633-9660