Eaton Corp. Aerospace Commercial Controls Div · Electronic Components
HEI.50-274-MG3
Circuit Breaker
Part NumberHEI.50-274-MG3
ManufacturerEaton Corp. Aerospace Commercial Controls Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-333-0303 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Width0.990 INCHES NOMINAL
Terminal Type And Quantity2 THREADED STUD
Criticality Code JustificationFEAT
Thread Quantity Per Inch32
Distance Between Centerlines Of Mo2.750 INCHES NOMINAL
Mounting Surface To Terminal End D3.177 INCHES MINIMUM AND 3.301 INCHES MAXIMUM
Boss Height0.156 INCHES NOMINAL
Center To Center Distance Between3.063 INCHES NOMINAL
Pole Quantity1
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
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 HEI.50-274-MG3 available?
We can source HEI.50-274-MG3 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 HEI.50-274-MG3 by Eaton Corp. Aerospace Commercial Controls Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HEI.50-274-MG3 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 HEI.50-274-MG3?
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 HEI.50-274-MG3?
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.