Guardian Electric Manufacturing · Electronic Components
640U4C120A
Relay, Electromagnetic
Part Number640U4C120A
ManufacturerGuardian Electric Manufacturing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-019-5298 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Height1.000 INCHES NOMINAL
Duty TypeCONTINUOUS
Mounting Facility Type And Quantit4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Width1.500 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding Quantity1
Center To Center Distance Between0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Coil Quantity1
Vendor Part NumbersIR640U4C120A
Cancelled NSN5945-00-018-3360 (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 640U4C120A available?
We can source 640U4C120A 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 640U4C120A by Guardian Electric Manufacturing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 640U4C120A 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 640U4C120A?
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 640U4C120A?
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.