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 5975-01-066-9462
NSN 5930-00-018-0927
NSN 4140-01-254-2739
NSN 6110-01-535-0664
NSN 5895-01-108-1548
NSN 5915-01-012-7052
NSN 6135-01-193-3892
NSN 5930-00-868-3732
NSN 6220-00-008-7508
NSN 5835-00-683-4612
NSN 5990-00-221-0878
NSN 6105-01-564-1859