Se Relays LLC (Magnecraft) · Electronic Components
D8749-1Y
Relay, Electromagnetic
Part NumberD8749-1Y
ManufacturerSe Relays LLC (Magnecraft)
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-259-5557 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Dc Resistance Rating6.5 KILOHMS NOMINAL SINGLE WINDING
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Center To Center Distance Between1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Arc Quenching MethodINERT GAS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Operating Current Rating A10.0 AMPERES DC SINGLE WINDING
Operating Voltage Rating And Type125.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Overall Width1.430 INCHES NOMINAL
Environmental ProtectionHERMETIC
Terminal Type And Quantity4 PIN ALL FUNCTIONS
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 D8749-1Y available?
We can source D8749-1Y 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 D8749-1Y by Se Relays LLC (Magnecraft) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D8749-1Y 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 D8749-1Y?
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 D8749-1Y?
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.