Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0453.125 found under Fuse Fast Acting by Littelfuse Inc. The National Stock Number assigned to this part is 6145016547718, and the Federal Supply Class is 6145 Wire And Cable Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0453.125.