Westinghouse Electric Corp. · Electronic Components
S1249121
Resistor, Fixed, Wire Wound
Part NumberS1249121
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-259-6255 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Inclosure TypeUNINCLOSED
Body Length17.750 INCHES NOMINAL
Test Data Document81349-MILR-15109B SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Body Diameter2.125 INCHES NOMINAL
Distance Between Centerlines Of Mo19.250 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Nondefinitive Spec Std DataEW FORM
Reactance CharacteristicINDUCTIVE
Power Dissipation Rating In Watts1040.000 FREE AIR
Mounting Hole Size0.531 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
Ambient Temp At Full Rated Power50.0 CELSIUS
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 S1249121 available?
We can source S1249121 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 S1249121 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S1249121 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 S1249121?
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 S1249121?
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.