Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 615 HTL0608 found under Fluxmeter by Tektronix Service Solutions Inc. The National Stock Number assigned to this part is 6625010477500, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 615 HTL0608.