Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11155490-2 found under Insulator Disk by Rpl Electronics Co. The National Stock Number assigned to this part is 5970012650746, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11155490-2.