Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M8C40HCSD933-8-MAG found under Boltmachine by Birmingham Fastener Inc. The National Stock Number assigned to this part is 5306016954305, 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 M8C40HCSD933-8-MAG.