Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QM6163 found under Spring Anti Kick Back by Vickers Ltd. The National Stock Number assigned to this part is 5360003918036, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QM6163.