Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3M33-7-13A found under Bolt Close Tolerance by Hoosier Industrial Supply Inc. The National Stock Number assigned to this part is 5306008829028, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3M33-7-13A.