Te Connectivity Corporation · Electronic Components
B138FH
Relay, Electromagnetic
Part NumberB138FH
ManufacturerTe Connectivity Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-615-7493 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width3.120 INCHES NOMINAL
Overall Length3.120 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Auxiliary Contact Maximum Voltage28.0 AC
Features ProvidedPOLARIZED
Unthreaded Mounting Hole Diameter0.916 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height2.870 INCHES NOMINAL
Nominal Operating Current Rating A500.0 MILLIAMPERES DC SINGLE WINDING
Winding Quantity1
Duty TypeCONTINUOUS
Vendor Part NumbersB138F, A02ES133-1, 618-537-9004, 8501P04-110VAC
Cancelled NSN5945-00-088-0792 (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 B138FH available?
We can source B138FH 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 B138FH by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B138FH 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 B138FH?
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 B138FH?
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.