Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T20-0020 found under Key Woodruff by Tampo Industries Inc. The National Stock Number assigned to this part is 5315012150048, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T20-0020.