PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

380-2502K 7/8 IN. SHAFTResistor,variable,nonwire Wound,

Clarostat Sensors and Controls · NSN 5905-00-539-1559 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-539-1559 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-539-1559. Primary manufacturer part number: 380-2502K 7/8 IN. SHAFT.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Overall Diameter: 1.515 INCHES MAXIMUM IN
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
  • Test Data Document: 81349-MIL-R-94 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.).
  • Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 SINGLE SECTION
  • Power Dissipation Rating Per Section in Watts: 2.0 FREE AIR SINGLE SECTION
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-539-1559, 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 Clarostat Sensors and Controls. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 48 commercial cross-references from 26 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-539-1559
Primary Part Number380-2502K 7/8 IN. SHAFT
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerClarostat Sensors and Controls
StatusCANCELLED
Overall Diameter1.515 INCHES MAXIMUM IN
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Test Data Document81349-MIL-R-94 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.).
Specification/standard Data81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 TAB, SOLDER LUG
Screw Thread Quantity Per Inch32.0
Electrical Resistance Per Section25.0 KILOHMS SINGLE SECTION
Nonturn Device Radius0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Rotary Actuator Travel in Angular Deg309.0 MINIMUM AND 320.0 MAXIMUM
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Screw Thread Series DesignatorUNEF
Mounting MethodSTANDARD BUSHING
Screw Thread Diameter0.375 INCHES NOMINAL IN
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Body Diameter1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
Maximum Starting Torque6.00 INCH-OUNCES IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Shaft StyleROUND, SLOTTED
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Shaft Length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
Body Length0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Section Quantity1
Actuator TypeSINGLE SHAFT
Maximum Stop Torque128.00 INCH-OUNCES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0647594 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
3110-00-120-3086B-128 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
5315-00-370-912955239 INTERCHANGEABLE
Key,woodruff
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5945-00-405-9345SC-D-36119 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5905-00-502-339901018600 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bae Systems Information and Electronic Systems Integration Inc.
5905-00-646-5670 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-655-4063 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-666-4826 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
6230-00-803-7063 INTERCHANGEABLE
Flashlight
5905-00-835-4970227861-2 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
380-2502K 7/8 IN. SHAFT Clarostat Sensors and Controls (USA)
864541-0001 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
JMP253 Crl Components Inc (USA)
CU2531 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
RV4AT5253A Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A113434-253 Raytheon Company Dba Raytheon Co (USA)
FY19583 Cts Corp (USA)
55239 Robins-Electronics (USA)
RV4NATSD253A Lockheed Martin Corporation Div Rms (USA)
697164-253 Hughes Missile Systems Co San Diego (USA)
2100-0039 Hewlett-Packard Company Dba HP (USA)
CMU2531 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
JA2N048P253MZ Rockwell Automation, Inc. Dba Rockwell Automation (USA)
240-1211P15 Raytheon Company Div Corp (USA)
516-019099-001 Bae Systems Information and Electronic Systems Integration I (USA)
L219625-8 Raytheon Company Dba Raytheon Co (USA)
4171786-191 Raytheon Company Dba Raytheon (USA)
240-1316P16 Raytheon Company Div Corp (USA)
2100-0039 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
7622439 Us Army Aviation and Missile Command (USA)
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KEY,WOODRUFF
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5905-00-655-4063INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-666-4826INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
6230-00-803-7063INTERCHANGEABLE
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WORM SHAFT
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Frequently Asked Questions

What is NSN 5905-00-539-1559?

NSN 5905-00-539-1559 is a Resistor,variable,nonwire Wound,, manufactured by Clarostat Sensors and Controls, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-539-1559?

NSN 5905-00-539-1559 has 48 cross-referenced part numbers: 380-2502K 7/8 IN. SHAFT (Clarostat Sensors and Controls), 864541-0001 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), JMP253 (Crl Components Inc), CU2531 (Rockwell Automation, Inc. Dba Rockwell Automation), RV4AT5253A (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 43 more.

What NSN replaces 5905-00-539-1559?

There are 12 known substitutes for 5905-00-539-1559: 3110-00-100-0647, 3110-00-120-3086, 5315-00-370-9129 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 380-2502K 7/8 IN. SHAFT?

Key specifications for 380-2502K 7/8 IN. SHAFT: Overall Diameter: 1.515 INCHES MAXIMUM IN; Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION; Test Data Document: 81349-MIL-R-94 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.).; Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-539-1559 still in active supply?

NSN 5905-00-539-1559 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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