Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M8C50HCSD931-10-MAG found under Boltmachine by Birmingham Fastener Inc. The National Stock Number assigned to this part is 5306016954524, 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 M8C50HCSD931-10-MAG.