Lockheed Martin · Electronic Components
76-12A4-20
Circuit Breaker
Part Number76-12A4-20
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-812-4522 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length2.500 INCHES MINIMUM AND 2.530 INCHES MAXIMUM
Operating Voltage Type And Rating50.0 DC SINGLE LOCATION
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Maximum Continuous Load Current Ra20.0 AMPERES DC SINGLE LOCATION
Actuator FunctionTRIP-RESET
Inclosure Protection Type For WhicFUNGUS RESISTANT AND MOISTURE RESISTANT
MaterialPLASTIC CASE
Pole Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Arc Quenching MethodMAGNETIC BLOWOUT
Vendor Part Numbers10630082-105
Cancelled NSN5925-00-755-2360 (cancelled)
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 76-12A4-20 available?
We can source 76-12A4-20 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 76-12A4-20 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 76-12A4-20 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 76-12A4-20?
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 76-12A4-20?
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.