Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U1056 found under Cable Assembly Spec by Cornell Dubilier Electronics. The National Stock Number assigned to this part is 5330002285472, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like U1056.