Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A56117 found under Nut Tube by Simmonds Precision Products Inc. The National Stock Number assigned to this part is 1680001352959, 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 A56117.