Stromberg-Carlson Corp. A Plessey Telecommunications Co · Electronic Components
G-31-577
Relay, Electromagnetic
Part NumberG-31-577
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-259-9952 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity2
Operating Voltage Rating And Type48.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Main Contact Maximum Voltage Ratin500.0 DC
Overall Length3.930 INCHES NOMINAL
Winding Dc Resistance Rating38.0 OHMS NOMINAL SECOND WINDING
Pile Up Main Contact Form Arrangem2A AND 2B AND 4F
Overall Height2.450 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A1.0 AMPERES DC RESISTIVE LOAD
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Thread Quantity Per Inch32 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 G-31-577 available?
We can source G-31-577 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 G-31-577 by Stromberg-Carlson Corp. A Plessey Telecommunications Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If G-31-577 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 G-31-577?
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 G-31-577?
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.