MIL-SPEC · Electronic Components
M39019/03-331
Circuit Breaker
Part NumberM39019/03-331
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-411-3466 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Frequency In Hertz400.0 OR 60.0 ALL LOCATIONS
Terminal Type And Quantity4 WIRE HOOK
Maximum Interrupting Capacity Curr300.0 AC AND 500.0 DC ALL LOCATIONS
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Mounting Surface To Terminal End D1.828 INCHES MAXIMUM
Mounting Facility Type And Quantit1 THREADED BUSHING
Center To Center Distance Between0.906 INCHES MAXIMUM
Pole Quantity2
Maximum Continuous Load Current Ra9.0 AMPERES AC ALL LOCATIONS
Thread Series DesignatorUNEF
Ultimate Trip Rating Of Continuous200.0 ALL LOCATIONS
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 M39019/03-331 available?
We can source M39019/03-331 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 M39019/03-331 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019/03-331 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 M39019/03-331?
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 M39019/03-331?
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.