Naval Inventory Control Point Mechanicsburg · Electronic Components
W20RS4
Transformer, Power Autotransforme
Part NumberW20RS4
ManufacturerNaval Inventory Control Point Mechanicsburg
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-804-6064 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Body Height8.625 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.250 INCHES SINGLE GROUP
Distance Between Mounting Facility6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity3 SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Voltage135.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Quantity Per Inch28 SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Vendor Part Numbers3090-9039
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 W20RS4 available?
We can source W20RS4 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 W20RS4 by Naval Inventory Control Point Mechanicsburg obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W20RS4 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 W20RS4?
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 W20RS4?
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.