Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 29952 PC-21 found under Key Machine by Hyde Corp. The National Stock Number assigned to this part is 5315014412348, 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 29952 PC-21.