Lockheed Martin Corp. · Electronic Components
7900481-121
Resistor, Fixed, Film
Part Number7900481-121
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-934-2871 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp In Deg Celsius At Zer165.0
Unpackaged Unit Weight0.3 GRAMS
Test Data Document81349-MIL-R-10509 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Temp Coefficient Of Resistance In-500.0 TO 200.0
Electrical Resistance187.000 KILOHMS
Terminal TypeWIRE LEAD
Terminal Length1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Resistance Tolerance In Percent-1.000 TO 1.000
Ambient Temp At Full Rated Power70.0 CELSIUS
Vendor Part NumbersRN55D1873F
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 7900481-121 available?
We can source 7900481-121 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 7900481-121 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7900481-121 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 7900481-121?
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 7900481-121?
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.