Keytronics, Inc. · Electronic Components
K4030
Transformer, Power
Part NumberK4030
ManufacturerKeytronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-798-7778 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity9 SOLDER STUD
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage2.188 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP
Body Length3.650 INCHES MINIMUM AND 3.670 INCHES MAXIMUM
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) 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 K4030 available?
We can source K4030 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 K4030 by Keytronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K4030 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 K4030?
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 K4030?
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.