Magnespec Inc. · Electronic Components
AU-4173
Transformer, Audio Frequency
Part NumberAU-4173
ManufacturerMagnespec Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-811-8669 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeOPEN
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Body Width0.812 INCHES NOMINAL
Impedance Rating In Ohms4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current5.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Length1.000 INCHES NOMINAL
Terminal Type And Quantity5 WIRE LEAD
Distance Between Mounting Facility1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Height0.750 INCHES NOMINAL
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 AU-4173 available?
We can source AU-4173 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 AU-4173 by Magnespec Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AU-4173 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 AU-4173?
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 AU-4173?
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.