Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3L1-1 found under Catch Flush by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5340003052943, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3L1-1.