Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2580 B S found under by Alvin And Co Inc. The National Stock Number assigned to this part is 8125002413016, and the Federal Supply Class is 8125 Bottles And Jars. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2580 B S.