Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 279187 found under Bushing Sleeve by Sargent Technologies Inc. The National Stock Number assigned to this part is 3120002358109, 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 279187.