Magnetika Inc. · Electronic Components
W5866
Transformer, Audio Frequency
Part NumberW5866
ManufacturerMagnetika Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-577-1044 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length1.625 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Impedance Rating In Ohms150.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP
Center To Center Distance Between1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Function And Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Primary To Secondary Turn Ratio1 TO 1 TO 1 SINGLE COMPONENT
Body Width1.625 INCHES NOMINAL
Inclosure TypeHERMETICALLY SEALED
Vendor Part Numbers9191123, PEI 7490, FS5771-044
Cancelled NSN5950-00-787-8666 (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 W5866 available?
We can source W5866 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 W5866 by Magnetika Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W5866 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 W5866?
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 W5866?
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.