PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203-123Resistor,variable,nonwire Wound,

Cts Corp Electromechanical Div · NSN 5905-00-660-9038 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-660-9038 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-660-9038. Primary manufacturer part number: 203-123.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Effective Electrical Rotation in Deg Angular Rotation: 9000.0 NOMINAL
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 0.469 INCHES NOMINAL IN
  • Shaft Diameter: 0.187 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 ALL SECTIONS
  • Shaft Length: 0.688 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
  • Shaft Style: ROUND
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-660-9038, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cts Corp Electromechanical Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-660-9038
Primary Part Number203-123
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerCts Corp Electromechanical Div
StatusACTIVE
Effective Electrical Rotation in Deg Angular Rotation9000.0 NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Length0.469 INCHES NOMINAL IN
Shaft Diameter0.187 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 ALL SECTIONS
Shaft Length0.688 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
Shaft StyleROUND
Terminal Type and Quantity6 TAB, SOLDER LUG
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-25.0 TO 25.0 ALL SECTIONS
Screw Thread Series DesignatorUNEF
Actuator Travel Control FeatureCLUTCH
Screw Thread Quantity Per Inch32.0
Electrical Resistance Per Section25.0 KILOHMS ALL SECTIONS
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 ALL SECTIONS
Nonturn Device Radius0.531 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg9000.0 NOMINAL
Mounting MethodSTANDARD BUSHING
Screw Thread Diameter0.375 INCHES NOMINAL IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Power Dissipation Rating Per Section in Watts4.0 FREE AIR ALL SECTIONS
Body Diameter1.209 INCHES NOMINAL IN
Section Quantity2
Ambient Temp in Deg Celsius Per Section at Full Rated Power65.0 ALL SECTIONS
Actuator TypeSINGLE SHAFT
Mounting Bushing Length0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-732-3041203123 INTERCHANGEABLE
Gasket
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5930-01-103-4538203123 INTERCHANGEABLE
Switch,push-Pull
Hyster-Yale Group, Inc.
5340-01-621-1866203123 INTERCHANGEABLE
Anode,corrosion Preventive
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
203-123 Cts Corp Electromechanical Div (USA)
203-123 Vishay Dale Electronics, Llc Div Vishay Americas (USA)
C2-95-253J253JA2B3R100012L Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group (USA)
203-123 Columbia Scientific Corp (USA)
Related Parts
5330-00-732-3041INTERCHANGEABLE
GASKET
203123
5930-01-103-4538INTERCHANGEABLE
SWITCH,PUSH-PULL
203123
5340-01-621-1866INTERCHANGEABLE
ANODE,CORROSION PREVENTIVE
203123

Frequently Asked Questions

What is NSN 5905-00-660-9038?

NSN 5905-00-660-9038 is a Resistor,variable,nonwire Wound,, manufactured by Cts Corp Electromechanical Div, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-660-9038?

NSN 5905-00-660-9038 has 4 cross-referenced part numbers: 203-123 (Cts Corp Electromechanical Div), 203-123 (Vishay Dale Electronics, Llc Div Vishay Americas), C2-95-253J253JA2B3R100012L (Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group), 203-123 (Columbia Scientific Corp).

What NSN replaces 5905-00-660-9038?

There are 3 known substitutes for 5905-00-660-9038: 5330-00-732-3041, 5930-01-103-4538, 5340-01-621-1866. Verify interchangeability with system specifications before substitution.

What are the specifications of 203-123?

Key specifications for 203-123: Effective Electrical Rotation in Deg Angular Rotation: 9000.0 NOMINAL; Reliability Indicator: NOT ESTABLISHED; Body Length: 0.469 INCHES NOMINAL IN; Shaft Diameter: 0.187 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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