Te Connectivity Corporation · Electronic Components
B-137
Relay, Electromagnetic
Part NumberB-137
ManufacturerTe Connectivity Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-714-9267 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length5.230 INCHES MAXIMUM
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Winding Quantity3
Nonpile Up Main Contact Arrangemen3 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Overall Width3.370 INCHES MAXIMUM
Features ProvidedLATCHING CONTACTS AND POLARIZED
Center To Center Distance Between2.680 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height3.550 INCHES MAXIMUM
Unthreaded Mounting Hole Diameter0.191 INCHES MINIMUM AND 0.206 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Coil Quantity3
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 B-137 available?
We can source B-137 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 B-137 by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B-137 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 B-137?
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 B-137?
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.