Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2459 found under Insulation Sleeving Thermal by Blackhawk Industries Inc. The National Stock Number assigned to this part is 5640015174447, and the Federal Supply Class is 5640 Wallboard Building Paper And Thermal Insulation Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2459.