The Boeing Company · Electronic Components
26381-404
Transformer, Audio Frequency
Part Number26381-404
ManufacturerThe Boeing Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-438-9614 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Impedance Rating In Ohms4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length0.880 INCHES NOMINAL
Terminal Type And Quantity9 PIN
Frequency Rating5.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Body Height0.905 INCHES NOMINAL
Body Width0.740 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
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 26381-404 available?
We can source 26381-404 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 26381-404 by The Boeing Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 26381-404 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 26381-404?
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 26381-404?
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.