Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99-6039244 found under Pin Hold Down by Nato Stock Number Assigned By An. The National Stock Number assigned to this part is 5315004717542, 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 99-6039244.