Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3662006769 found under Case Barrel Wear Gage by Fn Herstal Sa. The National Stock Number assigned to this part is 5140003139487, and the Federal Supply Class is 5140 Tool And Hardware Boxes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3662006769.