Lockheed Martin · Electronic Components
7901578-00
Relay, Thermal
Part Number7901578-00
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-894-8746 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Overall Length2.410 INCHES NOMINAL
Overall Height1.000 INCHES NOMINAL
Overall Width1.380 INCHES NOMINAL
Contact Maximum Voltage Rating In250.0 AC AND 32.0 DC
Delay Time In Seconds3.0 ADJUSTABLE OPERATE MINIMUM AND 8.0 ADJUSTABLE OPERATE MAXIMUM
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Heater Voltage Rating In Volts115.0
Contact Maximum Current Rating In0.1 AC OR 0.125 DC
Heater Power Rating In Watts4.0
Vendor Part NumbersGT4990
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 7901578-00 available?
We can source 7901578-00 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 7901578-00 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7901578-00 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 7901578-00?
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 7901578-00?
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.