Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1672-6L3 found under Rivet Blind by M F Services Inc. The National Stock Number assigned to this part is 5320012951614, 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 NAS1672-6L3.