MIL-SPEC · Electronic Components
M39019/04-255
Circuit Breaker
Part NumberM39019/04-255
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-058-7494 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Bushing Length0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
Nominal Thread Size0.375 INCHES
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW
Thread Quantity Per Inch32
Special Handling FeatureMAGNETIC
Arc Quenching MethodMAGNETIC BLOWOUT
Pole Quantity2
Center To Center Distance Between0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
Fragility FactorMODERATELY DELICATE
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL
Cancelled NSN5925-00-350-2484 (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 M39019/04-255 available?
We can source M39019/04-255 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 M39019/04-255 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019/04-255 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 M39019/04-255?
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 M39019/04-255?
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.