Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB800-120 found under Nut Blind Assembly by Sherex Fastening Solutions Llc. The National Stock Number assigned to this part is 5310016594332, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MB800-120.