MIL-SPEC · Electronic Components
RBR53LR4640FR
Resistor, Fixed, Wire Wound
Part NumberRBR53LR4640FR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-099-6955 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-1.000 TO 1.000
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Ambient Temp In Deg Celsius At Zer145.0
Terminal TypeWIRE LEAD
Body Length0.750 INCHES NOMINAL
Ambient Temp At Full Rated Power125.0 CELSIUS
Body Diameter0.375 INCHES NOMINAL
Reliability IndicatorESTABLISHED
Reliability Failure Rate Level In0.010
Inclosure TypeENCAPSULATED
Terminal Length1.500 INCHES MINIMUM
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 RBR53LR4640FR available?
We can source RBR53LR4640FR 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 RBR53LR4640FR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RBR53LR4640FR 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 RBR53LR4640FR?
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 RBR53LR4640FR?
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.