PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25945Resistor,variable,wire Wound,non

Setra Systems, Inc. Dba Gems Sensors · NSN 5905-00-138-1120 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-138-1120 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-138-1120. Primary manufacturer part number: 25945.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Shaft Diameter: 0.500 INCHES NOMINAL IN
  • Mounting Bushing Length: 0.375 INCHES NOMINAL IN
  • Mounting Method: STANDARD BUSHING
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 70.0 SINGLE SECTION
  • Electrical Resistance Per Section: 2.5 KILOHMS SINGLE SECTION
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-138-1120, 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 Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-138-1120
Primary Part Number25945
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Shaft Diameter0.500 INCHES NOMINAL IN
Mounting Bushing Length0.375 INCHES NOMINAL IN
Mounting MethodSTANDARD BUSHING
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power70.0 SINGLE SECTION
Electrical Resistance Per Section2.5 KILOHMS SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Terminal Type and Quantity3 TAB, SOLDER LUG
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 SINGLE SECTION
Nonturn Device Radius0.531 INCHES NOMINAL IN
Screw Thread Diameter0.375 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Shaft StyleROUND, SLOTTED
Fragility FactorMODERATELY RUGGED
Body StyleCYLINDRICAL BUSHING MOUNTED
Shaft Length0.406 INCHES NOMINAL IN
Body Length0.656 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Nonturn Device LocationAT 9 OCLOCK
Body Diameter1.094 INCHES NOMINAL IN
Screw Thread Quantity Per Inch32.0
Section Quantity1
Screw Thread Series DesignatorUNEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6150-00-500-39249B6425 INTERCHANGEABLE
Bus,conductor
Caterpillar Inc Div Caterpillar Defense
5307-00-682-577025945 INTERCHANGEABLE
Stud,stepped
Napco International Llc Dba Napco International Inc
5905-00-892-0304 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5998-01-039-170325945 INTERCHANGEABLE
Circuit Card Assembly
Tyco Fire Products Lp
3120-01-178-187955689 INTERCHANGEABLE
Bushing,sleeve
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4820-01-471-2672 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
25945 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
6150-00-500-3924INTERCHANGEABLE
BUS,CONDUCTOR
9B6425
5307-00-682-5770INTERCHANGEABLE
STUD,STEPPED
25945
5905-00-892-0304INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5998-01-039-1703INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
25945
3120-01-178-1879INTERCHANGEABLE
BUSHING,SLEEVE
55689
4820-01-471-2672INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 5905-00-138-1120?

NSN 5905-00-138-1120 is a Resistor,variable,wire Wound,non, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-138-1120?

NSN 5905-00-138-1120 has 1 cross-referenced part number: 25945 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5905-00-138-1120?

There are 6 known substitutes for 5905-00-138-1120: 6150-00-500-3924, 5307-00-682-5770, 5905-00-892-0304 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25945?

Key specifications for 25945: Shaft Diameter: 0.500 INCHES NOMINAL IN; Mounting Bushing Length: 0.375 INCHES NOMINAL IN; Mounting Method: STANDARD BUSHING; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 70.0 SINGLE SECTION. 24 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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