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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMC178571
Relay, Electromagnetic
Part NumberSMC178571
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-259-5831 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
Overall Height1.000 INCHES NOMINAL
Operating Voltage Rating And Type6.00 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin115.0 AC AND 32.0 DC
Pile Up Main Contact Form Arrangem1A
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Length1.180 INCHES MAXIMUM
Main Contact Load Current Rating A3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
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 SMC178571 available?
We can source SMC178571 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 SMC178571 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 SMC178571 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 SMC178571?
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 SMC178571?
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.