Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 814PLAIN found under Insulation Blanket Thermal by Johns Manville Sales Corp. The National Stock Number assigned to this part is 5640004738649, 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 814PLAIN.