Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST7-1 found under Stop Assembling Too by Triumph Group Operations Inc The. The National Stock Number assigned to this part is 5120005663507, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ST7-1.