Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A35520-1C found under Retainer Helical Compression Spr by Actron Manufacturing Inc. The National Stock Number assigned to this part is 5340014067897, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A35520-1C.