Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VORITE 689 AND POLYCIN 876M-4 found under Insulating Compound Kit Electric by N L Industries Inc. The National Stock Number assigned to this part is 5970012652721, 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 VORITE 689 AND POLYCIN 876M-4.