Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TH4016-3-12X found under Pin Rivet by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5320010468039, 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 TH4016-3-12X.