PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55LR20Resistor,variable,nonwire Wound,

Bi Technologies Corporation Div Bi Technologies Corp. · NSN 5905-00-944-2010 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-944-2010 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-944-2010. Primary manufacturer part number: 55LR20.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Shaft Diameter: 0.109 INCHES NOMINAL IN
  • Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION
  • Effective Electrical Rotation in Deg Angular Rotation: 11520.0 NOMINAL
  • Shaft Length: 0.050 INCHES NOMINAL IN
  • Body Style: RECTANGULAR W/MOUNTING HOLES/SLOTS
  • Terminal Type and Quantity: 3 WIRE LEAD
  • Shaft Style: ROUND, SLOTTED
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-944-2010, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-944-2010
Primary Part Number55LR20
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBi Technologies Corporation Div Bi Technologies Corp.
StatusCANCELLED
Shaft Diameter0.109 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Effective Electrical Rotation in Deg Angular Rotation11520.0 NOMINAL
Shaft Length0.050 INCHES NOMINAL IN
Body StyleRECTANGULAR W/MOUNTING HOLES/SLOTS
Terminal Type and Quantity3 WIRE LEAD
Shaft StyleROUND, SLOTTED
Terminal LocationREAR END
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power200.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts1.5 FREE AIR SINGLE SECTION
Electrical Resistance Per Section20.0 OHMS SINGLE SECTION
Rotary Actuator Travel in Angular Deg11520.0 NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Lateral Distance Between Mounting Hole Centers1.000 INCHES NOMINAL IN
Body Length1.250 INCHES NOMINAL IN
Body Height0.312 INCHES NOMINAL IN
Section Quantity1
Actuator Travel Control FeatureCLUTCH
Body Width0.297 INCHES NOMINAL IN
Mounting Facility Quantity2
Mounting Hole Diameter0.086 INCHES MINIMUM IN
Ambient Temp in Deg Celsius Per Section at Full Rated Power125.0 SINGLE SECTION
Actuator TypeSINGLE SHAFT
Reliability IndicatorNOT ESTABLISHED
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-500.0 TO 500.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6240-00-959-6735 INTERCHANGEABLE
Lamp,incandescent
5998-01-181-3461 INTERCHANGEABLE
Printed Circuit Board
Cross-Reference Index
Part NumberManufacturer
450-00-20 Vernitron Corp Vrn International Div (USA)
55LR20 PRIMARY Bi Technologies Corporation Div Bi Technologies Corp. (USA)
50R20 Beckman Coulter, Inc. Dba Beckman Coulter Inc Div Us Customer Operations (USA)
Related Parts
6240-00-959-6735INTERCHANGEABLE
LAMP,INCANDESCENT
5998-01-181-3461INTERCHANGEABLE
PRINTED CIRCUIT BOARD

Frequently Asked Questions

What is NSN 5905-00-944-2010?

NSN 5905-00-944-2010 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 5905-00-944-2010?

NSN 5905-00-944-2010 has 3 cross-referenced part numbers: 450-00-20 (Vernitron Corp Vrn International Div), 55LR20 (Bi Technologies Corporation Div Bi Technologies Corp.), 50R20 (Beckman Coulter, Inc. Dba Beckman Coulter Inc Div Us Customer Operations).

What NSN replaces 5905-00-944-2010?

There are 2 known substitutes for 5905-00-944-2010: 6240-00-959-6735, 5998-01-181-3461. Verify interchangeability with system specifications before substitution.

What are the specifications of 55LR20?

Key specifications for 55LR20: Shaft Diameter: 0.109 INCHES NOMINAL IN; Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION; Effective Electrical Rotation in Deg Angular Rotation: 11520.0 NOMINAL; Shaft Length: 0.050 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-944-2010 still in active supply?

NSN 5905-00-944-2010 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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