PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41121-2Resistor,variable,wire Wound,pre

The Dewey Electronics Corporation · NSN 5905-00-189-1689 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-189-1689 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-189-1689. Primary manufacturer part number: 41121-2.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Shaft Diameter: 0.250 INCHES NOMINAL IN
  • Fragility Factor: MODERATELY RUGGED
  • Reliability Indicator: NOT ESTABLISHED
  • Body Diameter: 0.500 INCHES NOMINAL IN
  • Body Length: 1.469 INCHES NOMINAL IN
  • Shaft Style: ROUND, SLOTTED
  • Function Conformity Tolerance Per Section: -0.50 TO 0.50 SINGLE SECTION
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-189-1689, 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 The Dewey Electronics Corporation. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-189-1689
Primary Part Number41121-2
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation
StatusACTIVE
Shaft Diameter0.250 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Reliability IndicatorNOT ESTABLISHED
Body Diameter0.500 INCHES NOMINAL IN
Body Length1.469 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Function Conformity Tolerance Per Section-0.50 TO 0.50 SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Rotary Actuator Travel in Angular Deg3600.0 NOMINAL
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 SINGLE SECTION
Terminal Type and Quantity3 TURRET
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Function Characteristic Per SectionSINGLE SECTION LINEAR
Actuator Travel Control FeatureSTOPS
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Power Dissipation Rating Per Section in Watts1.5 FREE AIR SINGLE SECTION
Body StyleCYLINDRICAL BUSHING MOUNTED
Maximum Starting Torque2.00 INCH-OUNCES IN
Screw Thread Diameter0.375 INCHES NOMINAL IN
Shaft Length1.000 INCHES NOMINAL IN
Mounting Bushing Length0.500 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Screw Thread Quantity Per Inch32.0
Section Quantity1
Screw Thread Series DesignatorUNEF
Overall Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-815-1173 INTERCHANGEABLE
Tee,tube
5961-01-298-1920411212 INTERCHANGEABLE
Transistor
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
41121-2 PRIMARY The Dewey Electronics Corporation (USA)
5000-5K Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div (USA)
Related Parts
4730-00-815-1173INTERCHANGEABLE
TEE,TUBE
5961-01-298-1920INTERCHANGEABLE
TRANSISTOR
411212

Frequently Asked Questions

What is NSN 5905-00-189-1689?

NSN 5905-00-189-1689 is a Resistor,variable,wire Wound,pre, manufactured by The Dewey Electronics Corporation, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-189-1689?

NSN 5905-00-189-1689 has 2 cross-referenced part numbers: 41121-2 (The Dewey Electronics Corporation), 5000-5K (Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div).

What NSN replaces 5905-00-189-1689?

There are 2 known substitutes for 5905-00-189-1689: 4730-00-815-1173, 5961-01-298-1920. Verify interchangeability with system specifications before substitution.

What are the specifications of 41121-2?

Key specifications for 41121-2: Shaft Diameter: 0.250 INCHES NOMINAL IN; Fragility Factor: MODERATELY RUGGED; Reliability Indicator: NOT ESTABLISHED; Body Diameter: 0.500 INCHES NOMINAL IN. 30 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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