Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C11-43 found under Heater Thermal Release by Leighton Industries Service Corp. The National Stock Number assigned to this part is 5999010439103, 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 C11-43.