Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 320 03523 found under Washer Spring Tensi by Jc Bamford Excavators Ltd. The National Stock Number assigned to this part is 5310015897520, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 320 03523.