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 6110-00-922-3227
NSN 6110-01-264-3486
NSN 6130-01-430-6977
NSN 6135-01-449-7330
NSN 6320-01-039-5891
NSN 4140-01-582-7739
NSN 5925-01-564-0895
NSN 5895-01-170-8310
NSN 6320-01-631-7828
NSN 5999-01-085-1868
NSN 5915-00-114-2661
NSN 5930-00-250-0127