Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2004-3-DM04-BL found under Voltmeter by Edwards High Vacuum Inc. The National Stock Number assigned to this part is 6625011047146, 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 2004-3-DM04-BL.