Robert M Hadley · Electronic Components
18856-2
Transformer, Power Autotransforme
Part Number18856-2
ManufacturerRobert M Hadley
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-181-1754 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Overall Width1.130 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Overall Length1.870 INCHES MINIMUM AND 1.930 INCHES MAXIMUM
Overall Height1.600 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp155.0 CELSIUS
Winding Operating Voltage13.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Distance Between Mounting Facility1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Frequency Rating25.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity4 SOLDER STUD
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 18856-2 available?
We can source 18856-2 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 18856-2 by Robert M Hadley obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18856-2 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 18856-2?
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 18856-2?
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.