Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K271 TO 3 11 found under Heat Sink Insulator by Saint Gobain Performance Plastics. The National Stock Number assigned to this part is 5999014078556, 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 K271 TO 3 11.