Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 666218-872 found under Fuseholder Extracto by Bae Systems Information And Electronic Systems Integration Inc Div Bae Systems. The National Stock Number assigned to this part is 5920008181592, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 666218-872.