Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99-6038117 found under Holder Lampholder by Nato Stock Number Assigned By An. The National Stock Number assigned to this part is 6250004533173, and the Federal Supply Class is 6250 Ballasts Lampholders And Starters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 99-6038117.