Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C334Z11C45 found under Lampholder by Siemens Schweiz Ag. The National Stock Number assigned to this part is 6250009965260, 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 C334Z11C45.