Lockheed Martin · Electronic Components
820945-1A
Circuit Breaker
Part Number820945-1A
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-644-5260 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length4.740 INCHES MINIMUM AND 4.760 INCHES MAXIMUM
Body StyleSINGLE POLE TYPE
Inclosure Protection Type For WhicDUSTPROOF
Actuator FunctionTRIP-RESET
Storage TypeGENERAL PURPOSE WAREHOUSE
Pole Quantity1
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Center To Center Distance Between4.303 INCHES MINIMUM AND 4.323 INCHES MAXIMUM
Terminal Type And Quantity1 COMPRESSION AND 1 TAB W/SCREW
Distance Between Centerlines Of Mo2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM
Fragility FactorMODERATELY RUGGED
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 820945-1A available?
We can source 820945-1A 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 820945-1A by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 820945-1A 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 820945-1A?
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 820945-1A?
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.