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National Security Agency  · Electronic Components

CE189020

Relay, Electromagnetic

Part NumberCE189020
ManufacturerNational Security Agency
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Dc Resistance Rating190.0 OHMS MINIMUM AND 240.0 OHMS MAXIMUM SINGLE WINDING
Time Delay0.025 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Coil Quantity1
Unthreaded Mounting Hole Diameter0.152 INCHES NOMINAL SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Winding Quantity1
Overall Height1.310 INCHES NOMINAL
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Overall Width1.870 INCHES NOMINAL
Operating Voltage Rating And Type15.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Vendor Part Numbers520M85, 855-95, 189020, MHX6231
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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

Frequently asked

Is CE189020 available?
We can source CE189020 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 CE189020 by National Security Agency obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CE189020 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 CE189020?
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 CE189020?
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.