Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X20029 found under Washer Spring Tension by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 5310014005796, 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 X20029.