PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91AR2.5KResistor,variable,nonwire Wound,

Bi Technologies Corporation Div Bi Technologies Corp. · NSN 5905-01-019-5066 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-019-5066 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-019-5066. Primary manufacturer part number: 91AR2.5K.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Actuator Travel Control Feature: STOPS
  • Terminal Type and Quantity: 3 PIN
  • Body Length: 0.200 INCHES NOMINAL IN
  • Terminal Length: 0.188 INCHES MINIMUM IN
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION
  • Mounting Method: TERMINAL
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 40.0 SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-019-5066, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-019-5066
Primary Part Number91AR2.5K
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBi Technologies Corporation Div Bi Technologies Corp.
StatusACTIVE
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 PIN
Body Length0.200 INCHES NOMINAL IN
Terminal Length0.188 INCHES MINIMUM IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Mounting MethodTERMINAL
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 SINGLE SECTION
Electrical Resistance Per Section2.5 KILOHMS SINGLE SECTION
Terminal LocationREAR END
Center to Center Distance Between Center Terminal and Outside Terminal0.100 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg180.0 NOMINAL
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Overall Diameter0.385 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-100.0 TO 100.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts0.5 FREE AIR SINGLE SECTION
Actuator TypeINTEGRAL KNOB
Body StyleCYLINDRICAL
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Effective Electrical Rotation in Deg Angular Rotation180.0 NOMINAL
Section Quantity1
Body Diameter0.385 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-01-045-7579311-1557-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
91AR2-5K Bi Technologies Corporation Div Bi Technologies Corp. (USA)
91AR2.5K PRIMARY Bi Technologies Corporation Div Bi Technologies Corp. (USA)
Related Parts
5905-01-045-7579INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-1557-00

Frequently Asked Questions

What is NSN 5905-01-019-5066?

NSN 5905-01-019-5066 is a Resistor,variable,nonwire Wound,, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-01-019-5066?

NSN 5905-01-019-5066 has 2 cross-referenced part numbers: 91AR2-5K (Bi Technologies Corporation Div Bi Technologies Corp.), 91AR2.5K (Bi Technologies Corporation Div Bi Technologies Corp.).

What NSN replaces 5905-01-019-5066?

There is 1 known substitute for 5905-01-019-5066: 5905-01-045-7579. Verify interchangeability with system specifications before substitution.

What are the specifications of 91AR2.5K?

Key specifications for 91AR2.5K: Actuator Travel Control Feature: STOPS; Terminal Type and Quantity: 3 PIN; Body Length: 0.200 INCHES NOMINAL IN; Terminal Length: 0.188 INCHES MINIMUM IN. 23 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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