Lockheed Martin · Electronic Components
C4870-1
Relay, Electromagnetic
Part NumberC4870-1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-046-1939 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Winding Dc Resistance Rating290.0 OHMS NOMINAL SINGLE WINDING
Center To Center Distance Between1.396 INCHES MINIMUM AND 1.415 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A10.0 AMPERES AC AND 10.0 AMPERES DC MOTOR LOAD
Mounting Facility Type And Quantit3 SLOTTED HOLE SINGLE MOUNTING FACILITY
Mounting Slot Width0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY
Coil Quantity1
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile Up Main Contact Arrangemen3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Time Delay0.018 SECONDS MAXIMUM FIXED RELEASE TIME
Winding 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 C4870-1 available?
We can source C4870-1 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 C4870-1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C4870-1 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 C4870-1?
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 C4870-1?
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.