Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3S3270 found under Contact Point Measu by Caterpillar Inc. The National Stock Number assigned to this part is 5210013454527, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3S3270.