PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1720-809-1Resistor,variable,wire Wound,pre

Bei Sensors & Systems Company, Inc. Dba Bei Duncan · NSN 5905-00-482-8721 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-482-8721 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-482-8721. Primary manufacturer part number: 1720-809-1.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Section Quantity: 1
  • Shaft Length: 0.500 INCHES NOMINAL IN
  • Body Style: CYLINDRICAL SERVO MOUNTED
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 1.000 INCHES NOMINAL IN
  • Shaft Runout: 0.001 INCHES IN
  • Bearing Type: BALL SHAFT
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-482-8721, 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 Bei Sensors & Systems Company, Inc. Dba Bei Duncan. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-482-8721
Primary Part Number1720-809-1
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBei Sensors & Systems Company, Inc. Dba Bei Duncan
StatusACTIVE
Section Quantity1
Shaft Length0.500 INCHES NOMINAL IN
Body StyleCYLINDRICAL SERVO MOUNTED
Reliability IndicatorNOT ESTABLISHED
Body Length1.000 INCHES NOMINAL IN
Shaft Runout0.001 INCHES IN
Bearing TypeBALL SHAFT
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Pilot Diameter Runout0.0015 INCHES IN
Maximum Starting Torque0.80 INCH-OUNCES IN
Shaft End Play0.0015 INCHES IN
Maximum Running Torque0.60 INCH-OUNCES IN
Shaft Radial Play0.002 INCHES IN
Effective Electrical Rotation in Deg Angular Rotation360.0 NOMINAL
Actuator TypeDOUBLE ENDED SHAFT
Lateral Runout0.002 INCHES IN
Function Conformity Tolerance Per Section-0.50 TO 0.50 SINGLE SECTION
Electrical Resistance Per Section900.0 OHMS SINGLE SECTION
Mounting MethodCLAMP RING(S)
Function Characteristic Per SectionSINGLE SECTION LINEAR
Actuator Travel Control FeatureCONTINUOUS MOTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power60.0 SINGLE SECTION
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Terminal Type and Quantity3 TURRET
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-300.0 TO 300.0 SINGLE SECTION
Mounting Lip Depth0.0930 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-483-630354051 INTERCHANGEABLE
Nut,plain,round
Hamilton Sundstrand Corporation Dba Collins Aerospace
5815-00-547-7890SM-C-186903GP8 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-819-75405405-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5999-01-393-256054-051 INTERCHANGEABLE
Contact Assembly,electrical
Automatic Switch Company Dba Asco
Cross-Reference Index
Part NumberManufacturer
1720-809-1 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
54051 Angus Electronics Co Sub of Esterline Corp (USA)
Related Parts
5310-00-483-6303INTERCHANGEABLE
NUT,PLAIN,ROUND
54051
5815-00-547-7890INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-C-186903GP8
5935-00-819-7540INTERCHANGEABLE
ADAPTER,CONNECTOR
5405-1
5999-01-393-2560INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
54-051

Frequently Asked Questions

What is NSN 5905-00-482-8721?

NSN 5905-00-482-8721 is a Resistor,variable,wire Wound,pre, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-482-8721?

NSN 5905-00-482-8721 has 2 cross-referenced part numbers: 1720-809-1 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 54051 (Angus Electronics Co Sub of Esterline Corp).

What NSN replaces 5905-00-482-8721?

There are 4 known substitutes for 5905-00-482-8721: 5310-00-483-6303, 5815-00-547-7890, 5935-00-819-7540 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1720-809-1?

Key specifications for 1720-809-1: Section Quantity: 1; Shaft Length: 0.500 INCHES NOMINAL IN; Body Style: CYLINDRICAL SERVO MOUNTED; Reliability Indicator: NOT ESTABLISHED. 30 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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