Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS9017-12 found under Insert Screw Thread by National Aerospace Standards. The National Stock Number assigned to this part is 5325008474684, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MS9017-12.