MIL-SPEC · Electronic Components
RWR74S1781FS
Resistor, Fixed, Wire Wound, Induct
Part NumberRWR74S1781FS
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-187-1654 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Electrical Resistance1.780 KILOHMS
Style DesignatorAXIAL TERMINAL EACH END
Temp Coefficient Of Resistance In-20.0 TO 20.0
Reliability IndicatorESTABLISHED
Inclosure TypeENCAPSULATED
Terminal TypeWIRE LEAD
Cubic Measure0.063 CUBIC INCHES
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Power Dissipation Rating In Watts5.000 FREE AIR
Body Length0.875 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer275.0
Cancelled NSN5905-01-121-9301 (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 RWR74S1781FS available?
We can source RWR74S1781FS 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 RWR74S1781FS by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RWR74S1781FS 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 RWR74S1781FS?
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 RWR74S1781FS?
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.