Lockheed Martin Corp. · Electronic Components
740512-101
Resistor, Thermal
Part Number740512-101
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-021-6892 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Maximum Operating Temp400.0 FAHRENHEIT
Ambient Temp At Full Rated Power400.0 FAHRENHEIT
Probe Diameter0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
Style DesignatorPROBE, FLANGE MOUNTING
Thermal Time Constant In Seconds10.0
Inclosure TypeENCASED
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity2 THREADED STUD
Unthreaded Mounting Hole Diameter0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
Body Length0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM
Distance Between Mounting Facility1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
ESD/EMICode B — ESD/EMI sensitive item
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 740512-101 available?
We can source 740512-101 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 740512-101 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 740512-101 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 740512-101?
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 740512-101?
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.