Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP400-06 found under Heat Sink Insulator by Mistras Group Inc. The National Stock Number assigned to this part is 5999014374180, 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 SP400-06.