Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HL220-8-16 found under Pin Rivet by P And R Trading Incorporated. The National Stock Number assigned to this part is 5320013002797, 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 HL220-8-16.