PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25955-9-9Resistor,adjustable

Ward Leonard Ct Llc · NSN 5905-00-539-5863 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-539-5863 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-539-5863. Primary manufacturer part number: 25955-9-9.
Features
  • Resistor,adjustable — FSC 5905
  • Terminal Type: TAB W/SCREW
  • Terminal Length: 0.562 INCHES NOMINAL IN
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 350.0
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 4.500 INCHES NOMINAL IN
  • Body Diameter: 0.750 INCHES NOMINAL IN
  • Reactance Characteristic: INDUCTIVE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,adjustable, cataloged under National Stock Number 5905-00-539-5863, 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 Ward Leonard Ct Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 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
NSN5905-00-539-5863
Primary Part Number25955-9-9
Item NameResistor,adjustable
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Terminal TypeTAB W/SCREW
Terminal Length0.562 INCHES NOMINAL IN
Ambient Temp in Deg Celsius at Zero Percent Rated Power350.0
Reliability IndicatorNOT ESTABLISHED
Body Length4.500 INCHES NOMINAL IN
Body Diameter0.750 INCHES NOMINAL IN
Reactance CharacteristicINDUCTIVE
Nondefinitive Spec/std DataIW FORM
Inclosure TypeUNINCLOSED
Style DesignatorRADIAL TERMINAL EACH END
Power Dissipation Rating in Watts50.000 FREE AIR
Test Data Document81349-MILR15109B SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Ambient Temp at Full Rated Power50.0 CELSIUS DEGC
Electrical Resistance150.000 OHMS
Resistance Tolerance in Percent-5.000 TO 10.000
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-125-582474564 INTERCHANGEABLE
Lever
Telemechanics Inc
3040-01-184-196474564 INTERCHANGEABLE
Cam,control
Clyde Bergemann Inc
4310-01-507-5072745427 INTERCHANGEABLE
Connecting Rod,piston
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-15109 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
745-42-7 Regulators Products Group of Ward Leonard Electric Co Inc (USA)
DG0072-04PC19 Bogue Electric Manufacturing Co (USA)
K43559-150 Ward Leonard Ct Llc (USA)
AFSN31823-1-9 L3harris Technologies, Inc. (USA)
25955-9-9 PRIMARY Ward Leonard Ct Llc (USA)
A16225-11 Bogue Electric Manufacturing Co (USA)
A16225-11 Bogue Systems Inc Dba Bogue Systems Inc (USA)
12-72-150AS Milwaukee Resistor Corporation (USA)
MILR15109A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DV0020-01PC32 Bogue Systems Inc Dba Bogue Systems Inc (USA)
A745-64-7 Regulators Products Group of Ward Leonard Electric Co Inc (USA)
745-64 Regulators Products Group of Ward Leonard Electric Co Inc (USA)
DV0020-01PC32 Bogue Electric Manufacturing Co (USA)
FSN31823-1-9 L3harris Technologies, Inc. (USA)
745-42PC7 Regulators Products Group of Ward Leonard Electric Co Inc (USA)
25955-11 Ward Leonard Ct Llc (USA)
DG0072-04PC19 Bogue Systems Inc Dba Bogue Systems Inc (USA)
Related Parts
5815-00-125-5824INTERCHANGEABLE
LEVER
74564
3040-01-184-1964INTERCHANGEABLE
CAM,CONTROL
74564
4310-01-507-5072INTERCHANGEABLE
CONNECTING ROD,PISTON
745427

Frequently Asked Questions

What is NSN 5905-00-539-5863?

NSN 5905-00-539-5863 is a Resistor,adjustable, manufactured by Ward Leonard Ct Llc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-539-5863?

NSN 5905-00-539-5863 has 18 cross-referenced part numbers: MIL-DTL-15109 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 745-42-7 (Regulators Products Group of Ward Leonard Electric Co Inc), DG0072-04PC19 (Bogue Electric Manufacturing Co), K43559-150 (Ward Leonard Ct Llc), AFSN31823-1-9 (L3harris Technologies, Inc.) and 13 more.

What NSN replaces 5905-00-539-5863?

There are 3 known substitutes for 5905-00-539-5863: 5815-00-125-5824, 3040-01-184-1964, 4310-01-507-5072. Verify interchangeability with system specifications before substitution.

What are the specifications of 25955-9-9?

Key specifications for 25955-9-9: Terminal Type: TAB W/SCREW; Terminal Length: 0.562 INCHES NOMINAL IN; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 350.0; Reliability Indicator: NOT ESTABLISHED. 15 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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