Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A54-0083REV0 found under Insulator Strain by Carborundum Co The. The National Stock Number assigned to this part is 5970001973576, 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 A54-0083REV0.