Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HT004518 found under Shield Heat Guided Missile Compo by Alliant Techsystems Operations Llc. The National Stock Number assigned to this part is 1420013758740, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HT004518.