Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SDK21 0039 found under Distribution Unit P by Goodrich Corporation. The National Stock Number assigned to this part is 6150014976463, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SDK21 0039.