Eaton Corporation · Electronic Components
BF66F
Relay, Electromagnetic
Part NumberBF66F
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-459-5485 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Overall Length4.750 INCHES NOMINAL
Center To Center Distance Between2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen6 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 6 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Duty TypeCONTINUOUS
Overall Height1.680 INCHES NOMINAL
Operating Voltage Rating And Type110.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Frequency In Hertz60.0 NOMINAL
Unthreaded Mounting Hole Diameter0.170 INCHES NOMINAL SINGLE MOUNTING FACILITY
Vendor Part Numbers765A300G01, S276A894G01
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 BF66F available?
We can source BF66F 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 BF66F by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BF66F 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 BF66F?
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 BF66F?
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.