Lockheed Martin · Electronic Components
3B90005-101
Relay, Electromagnetic
Part Number3B90005-101
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-058-6710 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
FSC Application DataRELAY ARMATURE,EXCEPT ENGINE
Main Contact Load Current Rating A250.0 AMPERES AC RESISTIVE LOAD
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Auxiliary Contact Maximum Voltage208.0 AC
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Ratin208.0 AC
Overall Height7.120 INCHES NOMINAL
Center To Center Distance Between4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Width5.120 INCHES NOMINAL
Vendor Part NumbersB124T, G-1046-B124T-C
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 3B90005-101 available?
We can source 3B90005-101 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 3B90005-101 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3B90005-101 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 3B90005-101?
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 3B90005-101?
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.