MIL-SPEC · Electronic Components
M27/51-03A
Transformer, Power
Part NumberM27/51-03A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-104-4418 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Hazardous Locations EnvironmentalVIBRATION RESISTANT
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Test Data Document81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Body Outside Diameter0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage7.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
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 M27/51-03A available?
We can source M27/51-03A 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 M27/51-03A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M27/51-03A 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 M27/51-03A?
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 M27/51-03A?
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.