Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51242 found under Heat Sink Electrical Electronic by Evoqua Water Technologies Llc. The National Stock Number assigned to this part is 5999014187219, 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 51242.