The Boeing Company · Electronic Components
11958-404
Transformer, Power
Part Number11958-404
ManufacturerThe Boeing Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-052-6780 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Height3.313 INCHES NOMINAL
Body Width2.344 INCHES NOMINAL
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length4.250 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Center To Center Distance Between1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Frequency Rating320.0 HERTZ MINIMUM AND 522.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE GROUP
Winding Operating Current84.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Reliability IndicatorNOT ESTABLISHED
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
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 11958-404 available?
We can source 11958-404 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 11958-404 by The Boeing Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 11958-404 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 11958-404?
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 11958-404?
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.