Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS-1018-25 found under Insulator by R A Miller Industries Inc. The National Stock Number assigned to this part is 5970011422474, 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 AS-1018-25.