Boeing · Electronic Components
5M3120-1
Relay, Electromagnetic
Part Number5M3120-1
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-526-5830 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Thread Class2A FIRST MOUNTING FACILITY
Overall Length1.718 INCHES NOMINAL
Nominal Thread Size0.112 INCHES FIRST MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST MOUNTING FACILITY
Winding Dc Resistance Rating260.0 OHMS NOMINAL ALL WINDINGS
Thread Length0.225 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Width1.025 INCHES NOMINAL
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Vendor Part NumbersFCA-325-157, ES325EGC1096
ESD/EMICode A — ESD/EMI sensitive item
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 5M3120-1 available?
We can source 5M3120-1 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 5M3120-1 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5M3120-1 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 5M3120-1?
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 5M3120-1?
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.