Olympic Controls · Electronic Components
A7789-1Y
Relay, Electromagnetic
Part NumberA7789-1Y
ManufacturerOlympic Controls
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-553-2429 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Center To Center Distance Between1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY
Winding Quantity1
Coil Quantity1
Main Contact Maximum Voltage Ratin115.0 AC AND 26.5 DC
Overall Height2.460 INCHES NOMINAL
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Overall Length1.620 INCHES NOMINAL
Mounting Facility Type And Quantit3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Cancelled NSN5945-00-201-5235 (cancelled)
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 A7789-1Y available?
We can source A7789-1Y 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 A7789-1Y by Olympic Controls obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A7789-1Y 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 A7789-1Y?
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 A7789-1Y?
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.