Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 260-4TH5E found under Heat Sink Electrica by Eg And G Wakefield Engineering. The National Stock Number assigned to this part is 5999010620739, 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 260-4TH5E.