Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15303-4-0-4 found under Cable Assembly Spec by Cooper Bussmann Corp. The National Stock Number assigned to this part is 6150015719925, 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 15303-4-0-4.