Caterpillar · Electronic Components
4N-3890
Solenoid, Electrical
Part Number4N-3890
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-142-1053 (NSN)
Federal Item NameSOLENOID,ELECTRICAL
Federal Supply Class5945 — Relays and Solenoids
Nominal Thread Size0.250 INCHES POWER TAKEOFF FACILITY HOLE
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Duty TypeCONTINUOUS
Actuator Stroke TypePULL
Thread Series DesignatorUNF POWER TAKEOFF FACILITY HOLE
Voltage Rating In Volts32.0 DC MAXIMUM
Thread Quantity Per Inch28 POWER TAKEOFF FACILITY HOLE
Terminal LocationEND OPPOSITE ACTUATOR
Power Takeoff Connection TypeINTERNAL THREADS
Body Length87.4 MILLIMETERS MAXIMUM
Center To Center Distance Between63.5 MILLIMETERS NOMINAL
Vendor Part NumbersSA-2948, 1502-24AS1U1
Cancelled NSN5945-01-149-2903 (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 4N-3890 available?
We can source 4N-3890 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 4N-3890 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4N-3890 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 4N-3890?
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 4N-3890?
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.