Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 666230-255 found under Dial Scale by Bae Systems Information And Electronic Systems Integration Inc Div Bae Systems. The National Stock Number assigned to this part is 5355004156639, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 666230-255.