Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HL20PB5-13 found under Pin Rivet by Sps Technologies Inc. The National Stock Number assigned to this part is 5320014994308, 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 HL20PB5-13.