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RN55H3921FR

Resistor, Fixed, Film

Part NumberRN55H3921FR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Test Data Document81349-MIL-R-55182 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Body Diameter0.078 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
Reliability Failure Rate Level In0.010
Body Length0.204 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
Resistance Tolerance In Percent-1.000 TO 1.000
Electrical Resistance3.920 KILOHMS
Terminal Width0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM
Reliability IndicatorESTABLISHED
Terminal TypeWIRE LEAD
Power Dissipation Rating In Watts0.100 FREE AIR
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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

Frequently asked

Is RN55H3921FR available?
We can source RN55H3921FR 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 RN55H3921FR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RN55H3921FR 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 RN55H3921FR?
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 RN55H3921FR?
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.