Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SIP720 found under Boring Drilling Milling Machine by American Sip Corporation. The National Stock Number assigned to this part is 3411011773549, and the Federal Supply Class is 3411 Boring Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SIP720.