Stewart-Warner · Electronic Components
571571
Relay, Electromagnetic
Part Number571571
ManufacturerStewart-Warner
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-502-4971 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Dc Resistance Rating3.5 KILOHMS NOMINAL SINGLE WINDING
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Overall Height1.310 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin50.0 DC
Mounting Facility Type And Quantit3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Overall Length2.060 INCHES NOMINAL
Main Contact Load Current Rating A500.0 MILLIAMPERES DC RESISTIVE LOAD
Overall Width1.430 INCHES NOMINAL
Operating Voltage Rating And Type83.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
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 571571 available?
We can source 571571 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 571571 by Stewart-Warner obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 571571 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 571571?
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 571571?
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.