Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2488R229S4 found under Heat Sink Electrica by Ppm Cranes Inc. The National Stock Number assigned to this part is 5999013043345, 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 2488R229S4.