Lockheed Martin · Electronic Components
681724-3
Relay, Thermal
Part Number681724-3
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-655-1484 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity7 WIRE HOOK
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
Overall Height3.562 INCHES NOMINAL
Overall Width2.062 INCHES NOMINAL
Overall Length4.375 INCHES NOMINAL
Environmental ProtectionHUMIDITY PROOF
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Contact Maximum Voltage Rating In500.0 AC
Contact Maximum Current Rating In5.0 AC
Heater Voltage Rating In Volts550.0
Vendor Part Numbers6957ED14-1AWITH9104H3959
Cancelled NSN5945-01-311-0593 (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 681724-3 available?
We can source 681724-3 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 681724-3 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 681724-3 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 681724-3?
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 681724-3?
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.