Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1128P41539-15 found under Insulation Tee Sect by Tighitco Inc. The National Stock Number assigned to this part is 1560004800026, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1128P41539-15.