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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-718480
Relay, Electromagnetic
Part NumberSM-A-718480
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-124-9949 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Height3.750 INCHES NOMINAL
Winding Quantity1
Winding Dc Resistance Rating44.0 OHMS NOMINAL SINGLE WINDING
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
MaterialALUMINUM OR STEEL CASE
Vendor Part NumbersK47848-2
Cancelled NSN5945-00-628-6440 (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 SM-A-718480 available?
We can source SM-A-718480 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 SM-A-718480 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-A-718480 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 SM-A-718480?
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 SM-A-718480?
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.