Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E-172-024 PIECE 211 found under Insulation Block Thermal by Alstom Power Inc. The National Stock Number assigned to this part is 5640002671590, and the Federal Supply Class is 5640 Wallboard Building Paper And Thermal Insulation Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E-172-024 PIECE 211.