Superior Electric Holding Group LLC · Electronic Components
5-1254
Transformer, Power Autotransforme
Part Number5-1254
ManufacturerSuperior Electric Holding Group LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-988-6603 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED BUSHING SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Nominal Thread Size0.375 INCHES SINGLE GROUP
Thread Series DesignatorUNEF SINGLE GROUP
Inclosure TypeOPEN
Body Height4.375 INCHES NOMINAL
Body Outside Diameter1.812 INCHES NOMINAL
Winding Operating Current13.0 AMPERES AC MAXIMUM AND 675.0 MILLIAMPERES AC MAXIMUM AND 860.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PR
Winding Function And Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Vendor Part Numbers7439268-503
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnEAR99
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 5-1254 available?
We can source 5-1254 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 5-1254 by Superior Electric Holding Group LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5-1254 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 5-1254?
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 5-1254?
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.