Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28D30 found under Key Machine by Mechanical Equipment Company Inc. The National Stock Number assigned to this part is 5315001889508, 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 28D30.