Olympic Controls Corp. · Electronic Components
B7921-1
Relay, Electromagnetic
Part NumberB7921-1
ManufacturerOlympic Controls Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-201-7187 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type117.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nominal Operating Current Rating A12.0 MILLIAMPERES AC SINGLE WINDING
Nonpile Up Main Contact Arrangemen3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Ratin117.0 AC
Main Contact Load Current Rating A5.0 AMPERES AC RESISTIVE LOAD
Winding Dc Resistance Rating1.0 KILOHMS NOMINAL SINGLE WINDING
Terminal Type And Quantity10 PIN ALL FUNCTIONS
Winding Quantity1
Frequency In Hertz60.0 NOMINAL
Coil Quantity1
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 B7921-1 available?
We can source B7921-1 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 B7921-1 by Olympic Controls Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B7921-1 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 B7921-1?
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 B7921-1?
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.