Caterpillar · Electronic Components
5L5891
Relay, Electromagnetic
Part Number5L5891
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-276-9261 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Center To Center Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Terminal Type And Quantity2 CONNECTOR, RECEPTACLE CONTACTS
Overall Width4.125 INCHES NOMINAL
Main Contact Maximum Voltage Ratin32.0 DC
Overall Height3.562 INCHES NOMINAL
Coil Quantity1
FSC Application DataENGINE CRANKING MOTOR,NONAIRCRAFT
Mounting Facility PatternDIAMOND SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A500.0 AMPERES DC INDUCTIVE LOAD
Mounting Facility Type And Quantit4 SLOTTED HOLE SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Vendor Part Numbers52205BS
Cancelled NSN5945-00-363-9483 (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 5L5891 available?
We can source 5L5891 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 5L5891 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5L5891 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 5L5891?
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 5L5891?
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.