MIL-SPEC · Electronic Components
M39019/03-328
Circuit Breaker
Part NumberM39019/03-328
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-419-6209 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Nominal Thread Size0.375 INCHES
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Body Width1.281 INCHES MAXIMUM
Bushing Length0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
Actuator Position DesignationBETWEEN POLE ONE AND TWO
Thread Series DesignatorUNEF
Trip Delay Time In Seconds Per Rat0.200 MINIMUM AT 135 PCT AND 7.000 MAXIMUM AT 135 PCT ALL LOCATIONS
Actuator FunctionTRIP-RESET
External Actuator Linkage ArrangemONE AND TWO LINKED
Frequency In Hertz60.0 OR 400.0 ALL LOCATIONS
Test Data Document81349-MIL-C-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
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 M39019/03-328 available?
We can source M39019/03-328 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 M39019/03-328 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019/03-328 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 M39019/03-328?
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 M39019/03-328?
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.