Telephonics Corp. · Electronic Components
487D303-1
Relay, Electromagnetic
Part Number487D303-1
ManufacturerTelephonics Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-180-7952 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity8 WIRE HOOK ALL FUNCTIONS
Center To Center Distance Between2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY
Winding Quantity1
Main Contact Load Current Rating A3.0 AMPERES DC RESISTIVE LOAD
Fragility FactorMODERATELY RUGGED
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Storage TypeGENERAL PURPOSE WAREHOUSE
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Cubic Measure14.726 CUBIC INCHES
Purpose For Which DesignedGENERAL
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Vendor Part NumbersBP1082
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 487D303-1 available?
We can source 487D303-1 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 487D303-1 by Telephonics Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 487D303-1 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 487D303-1?
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 487D303-1?
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.