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MIL-SPEC  · Electronic Components

M39019/05-312

Circuit Breaker

Part NumberM39019/05-312
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
Bushing Length0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
Special Handling FeatureMAGNETIC
Fragility FactorMODERATELY RUGGED
Center To Center Distance Between0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
Mounting Surface To Terminal End D1.797 INCHES MINIMUM AND 1.828 INCHES MAXIMUM
Pole Quantity3
Features ProvidedHIGH INRUSH PROTECTION
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL
Nominal Thread Size0.375 INCHES
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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 M39019/05-312 available?
We can source M39019/05-312 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 M39019/05-312 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019/05-312 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 M39019/05-312?
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 M39019/05-312?
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.