MIL-SPEC · Electronic Components
RW79U4991F
Resistor, Fixed, Wire Wound, Induct
Part NumberRW79U4991F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-997-2212 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Body Length0.560 INCHES NOMINAL
Terminal TypeWIRE LEAD
Body Diameter0.187 INCHES NOMINAL
Ambient Temp At Full Rated Power25.0 CELSIUS
Power Dissipation Rating In Watts3.000 FREE AIR
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Reliability IndicatorNOT ESTABLISHED
Ambient Temp In Deg Celsius At Zer275.0
Inclosure TypeENCAPSULATED
Temp Coefficient Of Resistance In-30.0 TO 30.0
Cancelled NSN5905-00-062-1250 (cancelled)
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 RW79U4991F available?
We can source RW79U4991F 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 RW79U4991F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RW79U4991F 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 RW79U4991F?
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 RW79U4991F?
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.