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Joint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M · Electronic Components
RU6B681J
Resistor, Fixed, Wire Wound
Part NumberRU6B681J
ManufacturerJoint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-101-2483 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Power Dissipation Rating In Watts2.000 FREE AIR
Body Length1.781 INCHES NOMINAL
Ambient Temp At Full Rated Power40.0 CELSIUS
Inclosure TypeENCAPSULATED
Body Diameter0.406 INCHES NOMINAL
Temp Range Of Temp Coefficient In-55.0 TO 110.0
Ambient Temp In Deg Celsius At Zer110.0
Terminal TypeWIRE LEAD
Test Data Document81350-JANR184 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA I
Electrical Resistance680.000 OHMS
Style DesignatorAXIAL TERMINAL EACH END
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is RU6B681J available?
We can source RU6B681J even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is RU6B681J by Joint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RU6B681J has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like RU6B681J?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for RU6B681J?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.