Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3239-12-40 found under Nrp Cable 12 Awg 40 by Allied Wire And Cable Inc. The National Stock Number assigned to this part is 1680016495126, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3239-12-40.