MIL-SPEC · Electronic Components
M39019-1-42
Circuit Breaker
Part NumberM39019-1-42
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-723-4127 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleSINGLE POLE TYPE
Bushing Length0.380 INCHES MAXIMUM
Body Width0.625 INCHES MAXIMUM
Terminal Type And Quantity2 WIRE HOOK
Maximum Continuous Load Current Ra5.0 AMPERES DC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Maximum Interrupting Capacity Curr500.0 DC SINGLE LOCATION
Center To Center Distance Between0.906 INCHES MAXIMUM
Trip Delay Time In Seconds Per Rat0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT AND 1.750 MAXIMUM AT 400 PCT SINGLE LOCATION
Manual Actuator Type And Quantity1 TOGGLE
Mounting Facility Type And Quantit1 THREADED BUSHING
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 M39019-1-42 available?
We can source M39019-1-42 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 M39019-1-42 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019-1-42 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 M39019-1-42?
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 M39019-1-42?
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.