Keytronics, Inc. · Electronic Components
K4273
Transformer, Power
Part NumberK4273
ManufacturerKeytronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-146-8498 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between0.718 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Reliability IndicatorNOT ESTABLISHED
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Body Width0.970 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Current150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage6.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Nominal Thread Size0.138 INCHES 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 K4273 available?
We can source K4273 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 K4273 by Keytronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K4273 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 K4273?
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 K4273?
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.