Caterpillar · Electronic Components
3R3519
Relay, Electromagnetic
Part Number3R3519
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-494-3309 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Duty TypeCONTINUOUS
Coil Quantity1
Winding Quantity1
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating And Type26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A10.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center To Center Distance Between1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Terminal Type And Quantity8 WIRE HOOK ALL FUNCTIONS
Cancelled NSN5945-00-484-4534 (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 3R3519 available?
We can source 3R3519 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 3R3519 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3R3519 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 3R3519?
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 3R3519?
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.