Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13243X12989 found under Board And Panel Assembly by Hy Cal Engineering. The National Stock Number assigned to this part is 5999011452774, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 13243X12989.