MIL-SPEC · Electronic Components
RN55D66R5F
Resistor, Fixed, Film
Part NumberRN55D66R5F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-958-8268 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Test Data Document81349-MIL-R-10509/7 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE
Temp Range Of Temp Coefficient In-55.0 TO 165.0
Body Diameter0.109 INCHES NOMINAL
Style DesignatorAXIAL TERMINAL EACH END
Electrical Resistance66.500 OHMS
Ambient Temp At Full Rated Power70.0 CELSIUS
Power Dissipation Rating In Watts0.125 FREE AIR
Body Length0.250 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Terminal TypeWIRE LEAD
Temp Coefficient Of Resistance In-500.0 TO 200.0
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 RN55D66R5F available?
We can source RN55D66R5F 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 RN55D66R5F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RN55D66R5F 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 RN55D66R5F?
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 RN55D66R5F?
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.