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Lockheed Martin Corp.  · Electronic Components

STSVC004-203

Circuit Breaker

Part NumberSTSVC004-203
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Storage TypeGENERAL PURPOSE WAREHOUSE
Bushing Length0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
Actuator FunctionTRIP-RESET
Fragility FactorMODERATELY RUGGED
Center To Center Distance Between0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Pole Quantity3
Distance Between Centerlines Of Mo1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM
Thread Quantity Per Inch32
Test Data Document98897-STSVC004 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTUR
Actuator Position DesignationAT POLE TWO
Vendor Part Numbers6752-309-20
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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

Frequently asked

Is STSVC004-203 available?
We can source STSVC004-203 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 STSVC004-203 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STSVC004-203 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 STSVC004-203?
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 STSVC004-203?
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.