Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2-JB-916 PIECE 4 found under Bushing Sleeve by Westinghouse Electric Corp. The National Stock Number assigned to this part is 3120012109466, 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 2-JB-916 PIECE 4.