Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10012-1102-0102 found under Gear Spur by S S Precision Gear And Instr. The National Stock Number assigned to this part is 3020012179687, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 10012-1102-0102.