Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 129402G1 found under Heat Sink Electrical Electronic by Aavid Thermalloy Llc. The National Stock Number assigned to this part is 5999012814002, 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 129402G1.