Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS21250-0648 found under Bolt Shear by Valley Todeco Inc. The National Stock Number assigned to this part is 5306001775506, 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 MS21250-0648.