PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6544S-1-502Resistor,variable,nonwire Wound,

Bourns, Inc. Dba Bourns Sensor Controls · NSN 5905-00-515-2439 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-515-2439 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-515-2439. Primary manufacturer part number: 6544S-1-502.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Mounting Lip Diameter: 1.0620 INCHES NOMINAL IN
  • Function Conformity Tolerance Per Section: -0.50 TO 0.50 SINGLE SECTION
  • Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION
  • Shaft Diameter: 0.1248 INCHES NOMINAL IN
  • Lateral Runout: 0.002 INCHES IN
  • Pilot Diameter Runout: 0.001 INCHES IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-515-2439, 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 Bourns, Inc. Dba Bourns Sensor Controls. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-515-2439
Primary Part Number6544S-1-502
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBourns, Inc. Dba Bourns Sensor Controls
StatusCANCELLED
Mounting Lip Diameter1.0620 INCHES NOMINAL IN
Function Conformity Tolerance Per Section-0.50 TO 0.50 SINGLE SECTION
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Shaft Diameter0.1248 INCHES NOMINAL IN
Lateral Runout0.002 INCHES IN
Pilot Diameter Runout0.001 INCHES IN
Shaft Radial Play0.002 INCHES IN
Shaft Runout0.002 INCHES IN
Mechanical Backlash in Deg Angular Rotation0.1
Rotary Actuator Travel in Angular Deg340.0 NOMINAL
Actuator TypeSINGLE SHAFT
Shaft End Play0.005 INCHES IN
Effective Electrical Rotation in Deg Angular Rotation340.0 NOMINAL
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-30.0 TO 30.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Function Characteristic Per SectionSINGLE SECTION LINEAR
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts1.25 FREE AIR SINGLE SECTION
Actuator Travel Control FeatureCONTINUOUS MOTION
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Terminal Type and Quantity3 TURRET
Pilot Diameter0.9683 INCHES MINIMUM AND 0.9688 INCHES MAXIMUM IN
Shaft Length0.500 INCHES NOMINAL IN
Body Length0.475 INCHES NOMINAL IN
Shaft StyleROUND
Undercut Diameter0.968 INCHES NOMINAL IN
Body StyleCYLINDRICAL SERVO MOUNTED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5950-00-929-2747 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
6544S-1-502 Bourns, Inc. Dba Bourns Sensor Controls (USA)
17C1-2228 Servo Instrument Corporation (USA)
6544S Bourns Instruments Inc (USA)
6213-5K Beckman Instruments Inc Eeg Facility Sub of Smith Kline/beckman Corp (USA)
6544S-1-502 Bourns Inc (USA)
6273R5KL0.5 Bi Technologies Corporation Div Bi Technologies Corp. (USA)
905373 Raytheon Technical Services Company (USA)
Related Parts
5950-00-929-2747INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5905-00-515-2439?

NSN 5905-00-515-2439 is a Resistor,variable,nonwire Wound,, manufactured by Bourns, Inc. Dba Bourns Sensor Controls, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-515-2439?

NSN 5905-00-515-2439 has 7 cross-referenced part numbers: 6544S-1-502 (Bourns, Inc. Dba Bourns Sensor Controls), 17C1-2228 (Servo Instrument Corporation), 6544S (Bourns Instruments Inc), 6213-5K (Beckman Instruments Inc Eeg Facility Sub of Smith Kline/beckman Corp), 6544S-1-502 (Bourns Inc) and 2 more.

What NSN replaces 5905-00-515-2439?

There is 1 known substitute for 5905-00-515-2439: 5950-00-929-2747. Verify interchangeability with system specifications before substitution.

What are the specifications of 6544S-1-502?

Key specifications for 6544S-1-502: Mounting Lip Diameter: 1.0620 INCHES NOMINAL IN; Function Conformity Tolerance Per Section: -0.50 TO 0.50 SINGLE SECTION; Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-515-2439 still in active supply?

NSN 5905-00-515-2439 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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