Boeing · Electronic Components
11837-404
Transformer, Power
Part Number11837-404
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-853-7839 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP
Body Length3.125 INCHES NOMINAL
Terminal Type And Quantity20 TAB, SOLDER LUG
Center To Center Distance Between0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Width2.687 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating320.0 HERTZ MINIMUM AND 522.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeOPEN
Vendor Part Numbers69098
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 11837-404 available?
We can source 11837-404 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 11837-404 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 11837-404 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 11837-404?
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 11837-404?
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.