PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2100-1839Resistor,variable,nonwire Wound,

Keysight Technologies Inc · NSN 5905-00-175-8649 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-175-8649 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-175-8649. Primary manufacturer part number: 2100-1839.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Terminal Type and Quantity: 5 TAB, SOLDER LUG
  • Switch Type: ROTARY
  • Body Style: CYLINDRICAL BUSHING MOUNTED
  • Actuator Type: SINGLE SHAFT
  • Shaft Length: 0.875 INCHES NOMINAL IN
  • Switch Voltage Rating in Volts: 125.0
  • Body Length: 0.750 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-175-8649, 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 Keysight Technologies Inc. Government technical data includes 27 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-175-8649
Primary Part Number2100-1839
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Terminal Type and Quantity5 TAB, SOLDER LUG
Switch TypeROTARY
Body StyleCYLINDRICAL BUSHING MOUNTED
Actuator TypeSINGLE SHAFT
Shaft Length0.875 INCHES NOMINAL IN
Switch Voltage Rating in Volts125.0
Body Length0.750 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Mounting MethodSTANDARD BUSHING
Shaft Diameter0.250 INCHES NOMINAL IN
Features ProvidedSWITCH
Screw Thread Quantity Per Inch32.0
Screw Thread Diameter0.375 INCHES NOMINAL IN
Switch Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED
Operating PositionSTART OF ROTATION
Electrical Resistance Per Section750.0 OHMS SINGLE SECTION
Terminal LocationREAR-BOTTOM
Maximum Starting Torque6.00 INCH-OUNCES IN
Section Quantity1
Mounting Bushing Length0.375 INCHES NOMINAL IN
Switch Current Type and Rating in Amps3.000 AC
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Shaft StyleROUND, SLOTTED
Reliability IndicatorNOT ESTABLISHED
Maximum Running Torque1.00 INCH-OUNCES IN
Body Diameter0.968 INCHES NOMINAL IN
Power Dissipation Rating Per Section in Watts0.25 FREE AIR SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-275-44911JA2374H35 INTERCHANGEABLE
Eyelet,metallic
Northrop Grumman Support Services Corp
6210-01-316-4582 INTERCHANGEABLE
Light,indicator
5950-01-617-613229545 INTERCHANGEABLE
Nrp,transformer
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
Cross-Reference Index
Part NumberManufacturer
45-7500HM7-8LGSHAFTWSWITCH Cts Corp Electromechanical Div (USA)
470-7500HMPORM20PCT Clarostat Sensors and Controls (USA)
2100-1839 PRIMARY Keysight Technologies Inc (USA)
45-7500HM7-8LGSHAFTWSWITCH Cts Corp (USA)
2100-1839 Keysight Technologies, Inc. (USA)
2100-1839 Hewlett-Packard Company Dba HP (USA)
29-545 Raytheon Company Div Corp (USA)
Related Parts
5325-00-275-4491INTERCHANGEABLE
EYELET,METALLIC
1JA2374H35
6210-01-316-4582INTERCHANGEABLE
LIGHT,INDICATOR
5950-01-617-6132INTERCHANGEABLE
NRP,TRANSFORMER
29545

Frequently Asked Questions

What is NSN 5905-00-175-8649?

NSN 5905-00-175-8649 is a Resistor,variable,nonwire Wound,, manufactured by Keysight Technologies Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-175-8649?

NSN 5905-00-175-8649 has 7 cross-referenced part numbers: 45-7500HM7-8LGSHAFTWSWITCH (Cts Corp Electromechanical Div), 470-7500HMPORM20PCT (Clarostat Sensors and Controls), 2100-1839 (Keysight Technologies Inc), 45-7500HM7-8LGSHAFTWSWITCH (Cts Corp), 2100-1839 (Keysight Technologies, Inc.) and 2 more.

What NSN replaces 5905-00-175-8649?

There are 3 known substitutes for 5905-00-175-8649: 5325-00-275-4491, 6210-01-316-4582, 5950-01-617-6132. Verify interchangeability with system specifications before substitution.

What are the specifications of 2100-1839?

Key specifications for 2100-1839: Terminal Type and Quantity: 5 TAB, SOLDER LUG; Switch Type: ROTARY; Body Style: CYLINDRICAL BUSHING MOUNTED; Actuator Type: SINGLE SHAFT. 27 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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