MIL-SPEC · Electronic Components
M39019/01-263
Circuit Breaker
Part NumberM39019/01-263
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-256-1833 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleSINGLE POLE TYPE
Body Length1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
Bushing Length0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
Actuator FunctionTRIP-RESET
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Pole Quantity1
Maximum Interrupting Capacity Curr300.0 AC AND 500.0 DC SINGLE LOCATION
Ultimate Trip Rating Of Continuous150.0 SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Mounting Surface To Terminal End D1.669 INCHES MINIMUM AND 1.700 INCHES MAXIMUM
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 M39019/01-263 available?
We can source M39019/01-263 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 M39019/01-263 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019/01-263 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 M39019/01-263?
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 M39019/01-263?
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.