Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL-00992E728 PART NO. 309 found under Key Machine by General Electric Co. The National Stock Number assigned to this part is 5315014496167, 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 PL-00992E728 PART NO. 309.