Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9550179420 found under Insulation Sleeving by Turbomeca Usa Inc. The National Stock Number assigned to this part is 5970121965899, 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 9550179420.