Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WA820-13 found under Rivet Tubular by Meggitt North Hollywood Inc. The National Stock Number assigned to this part is 5320002866787, and the Federal Supply Class is 5320 Rivets. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WA820-13.