Vishay Sprague · Electronic Components
128-1-2-103
Resistor, Variable, Nonwire Wound,
Part Number128-1-2-103
ManufacturerVishay Sprague
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-491-8856 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Body Length1.1870 INCHES NOMINAL
Body Diameter1.0620 INCHES NOMINAL
Body StyleCYLINDRICAL BUSHING MOUNTED
Section Quantity2
Screw Thread Series DesignatorUNEF
Screw Thread Quantity Per Inch32.0
Mounting Stud Length0.3750 INCHES NOMINAL
Screw Thread Diameter0.3750 INCHES NOMINAL
Mounting MethodTHREADED STUD(S)
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity1
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 128-1-2-103 available?
We can source 128-1-2-103 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 128-1-2-103 by Vishay Sprague obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 128-1-2-103 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 128-1-2-103?
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 128-1-2-103?
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.