Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NH25X000DR4990 found under Resistor Variable Wire Wound Non by Vishay Dale Electronics Inc. The National Stock Number assigned to this part is 5905004595490, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NH25X000DR4990.