Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NOPRIMARYREF5970995744647 found under Insulation Sleeving by This Ncage Is Used To Inform That. The National Stock Number assigned to this part is 5970995744647, 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 NOPRIMARYREF5970995744647.