L3 Technologies · Electronic Components
254139-501
Resistor, Variable, Nonwire Wound,
Part Number254139-501
ManufacturerL3 Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-636-9463 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Terminal Type And Quantity3 TAB, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Mounting Bushing Length0.375 INCHES NOMINAL
Shaft StyleROUND
Shaft Length0.875 INCHES NOMINAL
Ambient Temp In Deg Celsius Per Se120.0 SINGLE SECTION
Electrical Resistance Per Section50.000 KILOHMS SINGLE SECTION
Resistance Temp Characteristic Ran+0.0 TO 5.5 -55 DEG CELSIUS SINGLE SECTION AND +0.0 TO 4.0 -40 DEG CELSIUS SINGLE SECTION AND -2.5 TO 2.5 85 DEG CELSIUS
Nonturn Device Radius0.531 INCHES NOMINAL
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 254139-501 available?
We can source 254139-501 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 254139-501 by L3 Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 254139-501 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 254139-501?
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 254139-501?
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.