Lockheed Martin Corporation · Electronic Components
C7975-4
Resistor, Thermal
Part NumberC7975-4
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-138-0213 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Zero Power Resistance100.000 OHMS
Thermal Time Constant In Seconds20.0
Probe Length1.884 INCHES NOMINAL
Terminal Type And Quantity1 CONNECTOR, PLUG
Style DesignatorPROBE
Width Across Flats0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
Overall Length3.517 INCHES MAXIMUM
Probe Diameter0.125 INCHES NOMINAL
Zero Power Resistance Tolerance In-1.0 TO 1.0
Vendor Part Numbers132TA, 1122458, A9506-4, A021800-103
ESD/EMICode A — 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 C7975-4 available?
We can source C7975-4 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 C7975-4 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C7975-4 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 C7975-4?
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 C7975-4?
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.