Lockheed Martin Corp. · Electronic Components
NL21003
Resistor, Variable, Wire Wound, Pre
Part NumberNL21003
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-257-7367 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Overall Diameter2.000 INCHES NOMINAL
Section Quantity1
Shaft StyleROUND, SLOTTED
Mounting MethodCLAMP RING(S)
Terminal Type And Quantity4 SOLDER STUD
Electrical Resistance Per Section15.000 KILOHMS SINGLE SECTION
Power Dissipation Rating Per Secti4.0 FREE AIR SINGLE SECTION
Function Conformity Tolerance Per-0.50 TO 0.50 SINGLE SECTION
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Reliability IndicatorNOT ESTABLISHED
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 NL21003 available?
We can source NL21003 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 NL21003 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NL21003 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 NL21003?
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 NL21003?
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.