Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Z631R052 found under Key Machine by Jered Llc. The National Stock Number assigned to this part is 5315014127554, 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 Z631R052.