Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 137 03 PL ITEM 132 found under Heat Sink Insulator by Pivotal Power Inc. The National Stock Number assigned to this part is 5999200017525, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 137 03 PL ITEM 132.