Magnetika · Electronic Components
H-4657
Transformer, Audio Frequency
Part NumberH-4657
ManufacturerMagnetika
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-646-0364 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Nominal Thread Size0.138 INCHES SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Overall Height1.922 INCHES NOMINAL
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Impedance Rating In Ohms975.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width1.875 INCHES MAXIMUM
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length2.094 INCHES MAXIMUM
Distance Between Mounting Facility2.016 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER 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 H-4657 available?
We can source H-4657 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 H-4657 by Magnetika obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H-4657 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 H-4657?
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 H-4657?
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.