PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3253R500Resistor,variable,wire Wound,pre

Bei Sensors & Systems Company, Inc. Dba Bei Duncan · NSN 5905-01-051-3668 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-051-3668 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-051-3668. Primary manufacturer part number: 3253R500.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Section Quantity: 1
  • Function Characteristic Per Section: SINGLE SECTION LINEAR
  • Shaft Length: 0.500 INCHES NOMINAL IN
  • Mounting Bushing Length: 0.313 INCHES NOMINAL IN
  • Function Conformity Tolerance Per Section: -0.25 TO 0.25 SINGLE SECTION
  • Features Provided: HUMIDITY PROOF
  • Body Style: CYLINDRICAL BUSHING MOUNTED
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 5905-01-051-3668, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-051-3668
Primary Part Number3253R500
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBei Sensors & Systems Company, Inc. Dba Bei Duncan
StatusACTIVE
Section Quantity1
Function Characteristic Per SectionSINGLE SECTION LINEAR
Shaft Length0.500 INCHES NOMINAL IN
Mounting Bushing Length0.313 INCHES NOMINAL IN
Function Conformity Tolerance Per Section-0.25 TO 0.25 SINGLE SECTION
Features ProvidedHUMIDITY PROOF
Body StyleCYLINDRICAL BUSHING MOUNTED
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Cubic Measure0.451 CUBIC INCHES
Maximum Stop Torque50.00 INCH-OUNCES IN
Screw Thread Quantity Per Inch32.0
Screw Thread Series DesignatorUNEF
Effective Electrical Rotation in Deg Angular Rotation3600.0 MINIMUM AND 3610.0 MAXIMUM
Fragility FactorMODERATELY RUGGED
Mounting MethodSTANDARD BUSHING
Screw Thread Diameter0.375 INCHES NOMINAL IN
Nonturn Device LocationAT 6 OCLOCK
Nonturn Device Radius0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Maximum Running Torque1.00 INCH-OUNCES IN
Maximum Starting Torque1.00 INCH-OUNCES IN
Actuator TypeSINGLE SHAFT
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Bearing TypeSLEEVE SHAFT
Rotary Actuator Travel in Angular Deg3600.0 MINIMUM AND 3610.0 MAXIMUM
Actuator Travel Control FeatureCLUTCH
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Length0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2910-00-218-1262 INTERCHANGEABLE
Pump,fuel,engine
5905-00-434-18457276R500L.25 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Bi Technologies Corporation Div Bi Technologies Corp.
2915-00-705-97203253 INTERCHANGEABLE
Retainer,central
Collins Engine Nozzles, Inc
9320-01-004-3621 INTERCHANGEABLE
Rubber Sheet,solid
5360-01-216-73403253 INTERCHANGEABLE
Spring,helical,compression
Thomas Products Llc
5915-01-266-06103253 INTERCHANGEABLE
Filter,band Pass
Mechanized Science Seal Inc Dba Ms Bellows
5962-01-364-54303253 INTERCHANGEABLE
Microcircuit,memory
Trig-Tek, Incorporated
5120-01-411-5285 INTERCHANGEABLE
Flush Tool,stud
4130-01-497-3495 INTERCHANGEABLE
Compressor Unit,refrigeration
6610-01-531-69803253 INTERCHANGEABLE
Recorder,flight Data
Amphenol Corp Div Amphenol Aerospace Operations
Cross-Reference Index
Part NumberManufacturer
3253R500 PRIMARY Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
3253 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
Related Parts
2910-00-218-1262INTERCHANGEABLE
PUMP,FUEL,ENGINE
5905-00-434-1845INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
7276R500L.25
2915-00-705-9720INTERCHANGEABLE
RETAINER,CENTRAL
3253
9320-01-004-3621INTERCHANGEABLE
RUBBER SHEET,SOLID
5360-01-216-7340INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3253
5915-01-266-0610INTERCHANGEABLE
FILTER,BAND PASS
3253
5962-01-364-5430INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3253
5120-01-411-5285INTERCHANGEABLE
FLUSH TOOL,STUD
4130-01-497-3495INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
6610-01-531-6980INTERCHANGEABLE
RECORDER,FLIGHT DATA
3253
4510-01-668-7208INTERCHANGEABLE
FAUCET,SINGLE
3253

Frequently Asked Questions

What is NSN 5905-01-051-3668?

NSN 5905-01-051-3668 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 5905-01-051-3668?

NSN 5905-01-051-3668 has 2 cross-referenced part numbers: 3253R500 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 3253 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan).

What NSN replaces 5905-01-051-3668?

There are 11 known substitutes for 5905-01-051-3668: 2910-00-218-1262, 5905-00-434-1845, 2915-00-705-9720 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3253R500?

Key specifications for 3253R500: Section Quantity: 1; Function Characteristic Per Section: SINGLE SECTION LINEAR; Shaft Length: 0.500 INCHES NOMINAL IN; Mounting Bushing Length: 0.313 INCHES NOMINAL IN. 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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