MIL-SPEC · Electronic Components
M27/39-05B
Transformer, Power
Part NumberM27/39-05B
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-331-0551 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Hazardous Locations EnvironmentalMOISTURE RESISTANT
Overall Length1.090 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Overall Width1.090 INCHES MAXIMUM
Overall Height0.840 INCHES MAXIMUM
Winding Operating Current375.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type And Quantity5 PIN
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP
Maximum Transformer Power Rating3.0 VOLT-AMPERE SINGLE COMPONENT
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 M27/39-05B available?
We can source M27/39-05B 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 M27/39-05B by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M27/39-05B 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 M27/39-05B?
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 M27/39-05B?
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.