Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1U-3508 found under Plate T by Caterpillar Inc. The National Stock Number assigned to this part is 5340014376862, 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 1U-3508.