Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1805-9 found under Stud Indicator Ligh by Teledyne Technologies Incorporated. The National Stock Number assigned to this part is 6220007305808, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R1805-9.