Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BFR-18-4P-1 found under Insulating Compound Kit Electric by Itt Corporation. The National Stock Number assigned to this part is 5970006898832, 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 BFR-18-4P-1.