Stromberg-Carlson Corp. A Plessey Telecommunications Co · Electronic Components
200437-143
Relay, Electromagnetic
Part Number200437-143
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-058-4179 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Nominal Operating Current Rating A20.0 MILLIAMPERES DC SINGLE WINDING
Thread Class2B SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Length3.930 INCHES NOMINAL
Duty TypeINTERMITTENT
Thread Series DesignatorUNF SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type48.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Overall Height1.290 INCHES NOMINAL
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Coil Quantity1
Nominal Thread Size0.164 INCHES 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 200437-143 available?
We can source 200437-143 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 200437-143 by Stromberg-Carlson Corp. A Plessey Telecommunications Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 200437-143 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 200437-143?
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 200437-143?
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.