Keytronics, Inc. · Electronic Components
K5558
Transformer, Audio Frequency
Part NumberK5558
ManufacturerKeytronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-523-8373 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.138 INCHES SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height2.688 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Impedance Rating In Ohms150.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Width1.875 INCHES NOMINAL
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length1.875 INCHES NOMINAL
Terminal Type And Quantity10 TURRET
Vendor Part Numbers9120-0008
Cancelled NSN5950-00-916-8874 (cancelled)
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 K5558 available?
We can source K5558 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 K5558 by Keytronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K5558 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 K5558?
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 K5558?
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.