Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4F70000-107B found under Visorsunaircraft by Hiller Aircraft Corporation. The National Stock Number assigned to this part is 1680016958922, 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 4F70000-107B.