Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HAC847-5 found under Cover Seat Back by Hillco Mfg Co. The National Stock Number assigned to this part is 1680001745809, 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 HAC847-5.