William Spencer · Electronic Components
28893STANDARDA42358ITEMA2
Transformer, Power
Part Number28893STANDARDA42358ITEMA2
ManufacturerWilliam Spencer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-643-1245 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Mounting MethodSLOT SINGLE GROUP
Distance Between Mounting Facility12.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Inclosure TypeFULLY INCLOSED WITH OIL
Winding Operating Voltage120.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Nondefinitive Spec Std Data1 TYPE AND 1 CLASS
Cooling MethodSELF-COOLED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Maximum Transformer Power Rating5.0 KILOVOLT-AMPERE SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity5 STANDOFF, THREADED STUD
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Cancelled NSN6120-00-548-2170 (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 28893STANDARDA42358ITEMA2 available?
We can source 28893STANDARDA42358ITEMA2 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 28893STANDARDA42358ITEMA2 by William Spencer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 28893STANDARDA42358ITEMA2 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 28893STANDARDA42358ITEMA2?
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 28893STANDARDA42358ITEMA2?
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.