Stromberg-Carlson Corp. A Plessey Telecommunications Co · Electronic Components
290803-000
Relay, Electromagnetic
Part Number290803-000
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications Co
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-549-4900 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Center To Center Distance Between0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A4.0 AMPERES AC RESISTIVE LOAD
Coil Quantity1
Operating Voltage Rating And Type56.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Pile Up Main Contact Form Arrangem2C1B
Overall Length2.250 INCHES NOMINAL
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Terminal Type And Quantity10 PIN ALL FUNCTIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Vendor Part NumbersA35759
No Of Ports5 Ports
RohscompliantY-EX
Hazardousfalse
RohsphthalatescompliantYES
Port TypesRJ45 x 5
Product RangeBasicLine Series
IscanonicalY
Input Voltage TypeVAC / VDC
SvhcNo SVHC (16-Jan-2020)
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 290803-000 available?
We can source 290803-000 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 290803-000 by Stromberg-Carlson Corp. A Plessey Telecommunications Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 290803-000 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 290803-000?
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 290803-000?
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.