Cardwell Condenser Corp. Lapointe-Admiral Div · Electronic Components
12540
Resistor, Variable, Nonwire Wound,
Part Number12540
ManufacturerCardwell Condenser Corp. Lapointe-Admiral Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-258-1142 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Shaft Diameter0.250 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Section Quantity1
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Terminal Type And Quantity3 TAB, SOLDER LUG
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Screw Thread Diameter0.375 INCHES NOMINAL
Nonturn Device Radius0.531 INCHES NOMINAL
Mounting MethodSTANDARD BUSHING
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Screw Thread Series DesignatorUNEF
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 12540 available?
We can source 12540 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 12540 by Cardwell Condenser Corp. Lapointe-Admiral Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12540 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 12540?
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 12540?
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.