Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS000198-001-00 found under Insulation Thermal Special Purpo by Pratt And Whitney Rocketdyneinc. The National Stock Number assigned to this part is 1420003023357, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RS000198-001-00.