PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2100-2521Resistor,variable,nonwire Wound,

Keysight Technologies Inc · NSN 5905-00-170-3842 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-170-3842 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-170-3842. Primary manufacturer part number: 2100-2521.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
  • Terminal Type and Quantity: 3 PIN
  • Actuator Travel Control Feature: CONTINUOUS MOTION
  • Reliability Indicator: NOT ESTABLISHED
  • Rotary Actuator Travel in Angular Deg: 360.0 NOMINAL
  • Section Quantity: 1
  • Electrical Resistance Per Section: 2.0 KILOHMS SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-170-3842, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5905-00-170-3842
Primary Part Number2100-2521
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Terminal Type and Quantity3 PIN
Actuator Travel Control FeatureCONTINUOUS MOTION
Reliability IndicatorNOT ESTABLISHED
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Section Quantity1
Electrical Resistance Per Section2.0 KILOHMS SINGLE SECTION
Mounting MethodTERMINAL
Terminal LocationREAR END
Body Width0.313 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power150.0 SINGLE SECTION
Center to Center Distance Between Center Terminal and Outside Terminal0.100 INCHES NOMINAL IN
Body Length0.313 INCHES NOMINAL IN
Terminal Length0.312 INCHES NOMINAL IN
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-100.0 TO 100.0 SINGLE SECTION
Actuator TypeFLUSH DRIVE WITH SLOT-HOLE
Body StyleRECTANGULAR
Power Dissipation Rating Per Section in Watts0.5 FREE AIR SINGLE SECTION
Effective Electrical Rotation in Deg Angular Rotation360.0 NOMINAL
Center to Center Distance Between Terminals0.200 INCHES NOMINAL IN
Body Height0.406 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Full Rated Power85.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4720-00-135-888667A77C246-1 INTERCHANGEABLE
Hose Assembly,metallic
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
2100-2521 PRIMARY Keysight Technologies Inc (USA)
82PAR2K Bi Technologies Corporation Div Bi Technologies Corp. (USA)
2100-2521 Keysight Technologies, Inc. (USA)
2100-2521 Hewlett-Packard Company Dba HP (USA)
62+225+1 Bi Technologies Corporation Div Bi Technologies Corp. (USA)
Related Parts
4720-00-135-8886INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
67A77C246-1

Frequently Asked Questions

What is NSN 5905-00-170-3842?

NSN 5905-00-170-3842 is a Resistor,variable,nonwire Wound,, manufactured by Keysight Technologies Inc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-170-3842?

NSN 5905-00-170-3842 has 5 cross-referenced part numbers: 2100-2521 (Keysight Technologies Inc), 82PAR2K (Bi Technologies Corporation Div Bi Technologies Corp.), 2100-2521 (Keysight Technologies, Inc.), 2100-2521 (Hewlett-Packard Company Dba HP), 62+225+1 (Bi Technologies Corporation Div Bi Technologies Corp.).

What NSN replaces 5905-00-170-3842?

There is 1 known substitute for 5905-00-170-3842: 4720-00-135-8886. Verify interchangeability with system specifications before substitution.

What are the specifications of 2100-2521?

Key specifications for 2100-2521: Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION; Terminal Type and Quantity: 3 PIN; Actuator Travel Control Feature: CONTINUOUS MOTION; Reliability Indicator: NOT ESTABLISHED. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-170-3842 still in active supply?

NSN 5905-00-170-3842 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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