● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Home / Catalog / RS Americas / 124-903
RS Americas  · Electronic Components

124-903

Relay Assembly

Part Number124-903
ManufacturerRS Americas
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY ASSEMBLY
Federal Supply Class5945 — Relays and Solenoids
Individual Relay Quantity2
Duty TypeCONTINUOUS
Mounting Facility Type And Quantit2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Terminal Type And Quantity4 THREADED STUD ALL FUNCTIONS
Winding Quantity1
Purpose For Which DesignedGENERAL
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Cubic Measure21.578 CUBIC INCHES
Fragility FactorMODERATELY RUGGED
Main Contact Maximum Voltage Ratin24.0 DC
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Arc Quenching MethodAIR
Vendor Part NumbersA3157721
Cancelled NSN5945-01-219-6786 (cancelled)
Review your list (0) →
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 124-903 available?
We can source 124-903 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 124-903 by RS Americas obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 124-903 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 124-903?
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 124-903?
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.