Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC8-4593BA found under by Tex Tech Industries Inc. The National Stock Number assigned to this part is 1680014696889, 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 MC8-4593BA.