PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RV4NAYSK502CResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-542-9243 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-542-9243 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-542-9243. Primary manufacturer part number: RV4NAYSK502C.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Mounting Bushing Length: 0.344 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
  • Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
  • 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.).
  • Power Dissipation Rating Per Section in Watts: 0.5 FREE AIR SINGLE SECTION
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-542-9243, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-542-9243
Primary Part NumberRV4NAYSK502C
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Mounting Bushing Length0.344 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Specification/standard Data81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
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.).
Power Dissipation Rating Per Section in Watts0.5 FREE AIR SINGLE SECTION
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Terminal Type and Quantity3 TAB, SOLDER LUG
Actuator Travel Control FeatureSTOPS
Screw Thread Quantity Per Inch32.0
Mounting MethodSTANDARD BUSHING
Rotary Actuator Travel in Angular Deg309.0 MINIMUM AND 320.0 MAXIMUM
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Screw Thread Diameter0.164 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Section Quantity1
Shaft Length2.500 INCHES NOMINAL IN
Maximum Stop Torque128.00 INCH-OUNCES IN
Body Length0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Maximum Starting Torque6.00 INCH-OUNCES IN
Overall Diameter1.515 INCHES MAXIMUM IN
Actuator TypeSINGLE SHAFT
Shaft StyleROUND, SLOTTED
Body Diameter1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5905-00-418-4376 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-427-1076 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-501-7307 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-539-4999 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-542-8058 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-643-9815 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
RV4NAYSK502C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR94A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-94/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-418-4376INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-427-1076INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-501-7307INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-539-4999INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-542-8058INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-643-9815INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-542-9243?

NSN 5905-00-542-9243 is a Resistor,variable,nonwire Wound,, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-542-9243?

NSN 5905-00-542-9243 has 3 cross-referenced part numbers: RV4NAYSK502C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR94A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-94/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-00-542-9243?

There are 6 known substitutes for 5905-00-542-9243: 5905-00-418-4376, 5905-00-427-1076, 5905-00-501-7307 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RV4NAYSK502C?

Key specifications for RV4NAYSK502C: Mounting Bushing Length: 0.344 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE; Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-542-9243 still in active supply?

NSN 5905-00-542-9243 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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