PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91AR25KResistor,variable,nonwire Wound,

Bi Technologies Corporation Div Bi Technologies Corp. · NSN 5905-01-045-7579 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-045-7579 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-045-7579. Primary manufacturer part number: 91AR25K.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 25.0 SINGLE SECTION
  • Section Quantity: 1
  • Actuator Travel Control Feature: STOPS
  • Terminal Type and Quantity: 3 PIN
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN
  • Terminal Location: REAR END
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-045-7579, 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 Bi Technologies Corporation Div Bi Technologies Corp.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-01-045-7579
Primary Part Number91AR25K
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBi Technologies Corporation Div Bi Technologies Corp.
StatusCANCELLED
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 SINGLE SECTION
Section Quantity1
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 PIN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Terminal LocationREAR END
Electrical Resistance Per Section25.0 KILOHMS SINGLE SECTION
Center to Center Distance Between Center Terminal and Outside Terminal0.100 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Mounting MethodTERMINAL
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power80.0 SINGLE SECTION
Actuator TypeINTEGRAL KNOB
Body StyleCYLINDRICAL
Power Dissipation Rating Per Section in Watts0.5 FREE AIR SINGLE SECTION
Body Length0.200 INCHES NOMINAL IN
Effective Electrical Rotation in Deg Angular Rotation180.0 NOMINAL
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-100.0 TO 100.0 SINGLE SECTION
Body Diameter0.386 INCHES MAXIMUM IN
Terminal Length0.188 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-270-4558 INTERCHANGEABLE
Adapter,straight,pipe to Tube
5330-00-346-8673UT3 INTERCHANGEABLE
Packing Assembly
Circor Naval Solutions Llc Dba Warren Pumps
5905-01-019-506691AR2.5K INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bi Technologies Corporation Div Bi Technologies Corp.
4320-01-060-99571790 INTERCHANGEABLE
Parts Kit,reciprocating Pump
Templeton Kenly and Co Inc
Cross-Reference Index
Part NumberManufacturer
91-79-0 Bi Technologies Corporation Div Bi Technologies Corp. (USA)
91AR25K PRIMARY Bi Technologies Corporation Div Bi Technologies Corp. (USA)
91AR25K-79A Bi Technologies Corporation Div Bi Technologies Corp. (USA)
311-1557-00 PRIMARY Tektronix, Inc. (USA)
3352T-1-253 Bourns Inc (USA)
Related Parts
4730-00-270-4558INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5330-00-346-8673INTERCHANGEABLE
PACKING ASSEMBLY
UT3
5905-01-019-5066INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
91AR2.5K
4320-01-060-9957INTERCHANGEABLE
PARTS KIT,RECIPROCATING PUMP
1790

Frequently Asked Questions

What is NSN 5905-01-045-7579?

NSN 5905-01-045-7579 is a Resistor,variable,nonwire Wound,, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-01-045-7579?

NSN 5905-01-045-7579 has 5 cross-referenced part numbers: 91-79-0 (Bi Technologies Corporation Div Bi Technologies Corp.), 91AR25K (Bi Technologies Corporation Div Bi Technologies Corp.), 91AR25K-79A (Bi Technologies Corporation Div Bi Technologies Corp.), 311-1557-00 (Tektronix, Inc.), 3352T-1-253 (Bourns Inc).

What NSN replaces 5905-01-045-7579?

There are 4 known substitutes for 5905-01-045-7579: 4730-00-270-4558, 5330-00-346-8673, 5905-01-019-5066 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91AR25K?

Key specifications for 91AR25K: Ambient Temp in Deg Celsius Per Section at Full Rated Power: 25.0 SINGLE SECTION; Section Quantity: 1; Actuator Travel Control Feature: STOPS; Terminal Type and Quantity: 3 PIN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-01-045-7579 still in active supply?

NSN 5905-01-045-7579 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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