Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TLM12X1C18 found under Insert Screw Thread by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5325121488073, 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 TLM12X1C18.