DRS Naval Power Systems · Electronic Components
125-0221
Resistor, Variable, Wire Wound, Non
Part Number125-0221
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-494-4874 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Electrical Resistance Per Section500.000 OHMS SINGLE SECTION
Center To Center Distance Between0.100 INCHES NOMINAL
Actuator TypeFLUSH DRIVE WITH SLOT-HOLE
Section Quantity1
Body Diameter0.500 INCHES NOMINAL
Body Length0.225 INCHES NOMINAL
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Rotary Actuator Travel In Angular280.0 NOMINAL
Terminal Type And Quantity3 PIN
Temp Coefficient Of Resistance Per-70.0 TO 70.0 SINGLE SECTION
Mounting MethodTERMINAL
Vendor Part NumbersS125-0221
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 125-0221 available?
We can source 125-0221 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 125-0221 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 125-0221 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 125-0221?
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 125-0221?
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.