Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KCA1147 found under Spacer Tachometer by Smiths Industries Ltd. The National Stock Number assigned to this part is 5365004566542, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KCA1147.