Prestolite Electric · Electronic Components
4912S
Relay, Electromagnetic
Part Number4912S
ManufacturerPrestolite Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-583-8788 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
FSC Application DataENGINE ELECTRICAL SYSTEM /NONAIRCRAFT/
Duty TypeINTERMITTENT
Main Contact Maximum Voltage Ratin12.0 DC
Coil Quantity1
Winding Quantity1
Nominal Operating Current Rating A6.50 AMPERES DC SINGLE WINDING
Main Contact Load Current Rating A600.0 AMPERES DC RESISTIVE LOAD
Operating Voltage Rating And Type12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Dc Resistance Rating2.0 OHMS NOMINAL SINGLE WINDING
Overall Length5.310 INCHES NOMINAL
Overall Height3.370 INCHES NOMINAL
Cancelled NSN2920-00-999-1469 (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 4912S available?
We can source 4912S 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 4912S by Prestolite Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4912S 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 4912S?
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 4912S?
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.