Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 143273 found under Insert Assembly Band Saw Blade G by Continental Machines Inc. The National Stock Number assigned to this part is 3405012879057, and the Federal Supply Class is 3405 Saws And Filing Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 143273.