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BAE Systems Information and Electronic Systems Integration  · Electronic Components

RM221LA254UM

Resistor, Variable, Nonwire Wound,

Part NumberRM221LA254UM
ManufacturerBAE Systems Information and Electronic Systems Integration
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Body StyleCYLINDRICAL BUSHING MOUNTED
Actuator TypeSINGLE SHAFT
Shaft StyleROUND, SLOTTED
Terminal Type And Quantity3 TAB, SOLDER LUG
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Resistance Tolerance Per Section I-20.0 TO 20.0 SINGLE SECTION
Mounting MethodLOCKING BUSHING
Nonturn Device Radius0.531 INCHES NOMINAL
Screw Thread Diameter0.375 INCHES NOMINAL
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is RM221LA254UM available?
We can source RM221LA254UM 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 RM221LA254UM by BAE Systems Information and Electronic Systems Integration obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RM221LA254UM 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 RM221LA254UM?
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 RM221LA254UM?
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.