MIL-SPEC · Electronic Components
RWR81SR249FR
Resistor, Fixed, Wire Wound
Part NumberRWR81SR249FR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-101-1856 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Test Data Document81349-MIL-R-39007 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Style DesignatorAXIAL TERMINAL EACH END
Terminal Length1.500 INCHES MINIMUM
Cubic Measure0.002 CUBIC INCHES
Body Diameter0.065 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
Reliability Failure Rate Level In0.010
Terminal TypeWIRE LEAD
Reliability IndicatorESTABLISHED
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts1.000 FREE AIR
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 RWR81SR249FR available?
We can source RWR81SR249FR 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 RWR81SR249FR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RWR81SR249FR 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 RWR81SR249FR?
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 RWR81SR249FR?
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.