MIL-SPEC · Electronic Components
M27/172-42
Transformer, Audio Frequency
Part NumberM27/172-42
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-265-1632 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Test Data Document81349-MIL-PRF-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Impedance Rating In Ohms40000.0 MINIMUM AND 50000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current0.25 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating50.0 MILLIWATTS SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp105.0 CELSIUS
Terminal Type And Quantity6 WIRE LEAD
Body Outside Diameter0.344 INCHES MAXIMUM
Body Length0.469 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 M27/172-42 available?
We can source M27/172-42 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 M27/172-42 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M27/172-42 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 M27/172-42?
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 M27/172-42?
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.