Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2580197-1 2 found under Insert Screw Thread by Entwistle Company The. The National Stock Number assigned to this part is 5325012781822, 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 2580197-1 2.