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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
A3142420-1
Circuit Breaker
Part NumberA3142420-1
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-438-6315 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Body Length4.750 INCHES NOMINAL
Maximum Continuous Load Current Ra20.0 AMPERES AC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Center To Center Distance Between3.550 INCHES NOMINAL
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Distance Between Centerlines Of Mo2.750 INCHES NOMINAL
Pole Quantity3
Mounting Surface To Terminal End D3.550 INCHES NOMINAL
Boss Height0.220 INCHES NOMINAL
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Vendor Part Numbers209-3-1-41F-4-8-20
ESD/EMICode A — ESD/EMI sensitive item
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 A3142420-1 available?
We can source A3142420-1 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 A3142420-1 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A3142420-1 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 A3142420-1?
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 A3142420-1?
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.