Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RSK-B12 found under Resetting Device Power Electric by Cutler Hammer. The National Stock Number assigned to this part is 6110014492459, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RSK-B12.