Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK2670 PC 29 found under Bearing Sleeve by Insinger Machine Company The. The National Stock Number assigned to this part is 3120014454687, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SK2670 PC 29.