PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RV4NAYSK101AResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-539-4999 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-539-4999 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-539-4999. Primary manufacturer part number: RV4NAYSK101A.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Body Length: 0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
  • Actuator Type: SINGLE SHAFT
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
  • Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-539-4999, 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 4 commercial cross-references from 2 manufacturers, 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
NSN5905-00-539-4999
Primary Part NumberRV4NAYSK101A
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
Body Length0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Actuator TypeSINGLE SHAFT
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Specification/standard Data81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
Terminal Type and Quantity3 TAB, SOLDER LUG
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 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.).
Actuator Travel Control FeatureSTOPS
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Section Quantity1
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Overall Diameter1.515 INCHES MAXIMUM IN
Screw Thread Quantity Per Inch32.0
Mounting MethodSTANDARD BUSHING
Nonturn Device Radius0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Screw Thread Diameter0.375 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg309.0 MINIMUM AND 320.0 MAXIMUM
Screw Thread Series DesignatorUNEF
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Electrical Resistance Per Section100.0 OHMS SINGLE SECTION
Body Diameter1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Body StyleCYLINDRICAL BUSHING MOUNTED
Shaft Length2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
Shaft StyleROUND, SLOTTED
Mounting Bushing Length0.344 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Maximum Stop Torque128.00 INCH-OUNCES 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,
5905-00-542-8058 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-542-9243 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-643-9815 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
RV4NAYSK101A 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
138-002-1015 Northrop Grumman Systems Corporation (USA)
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,
5905-00-542-8058INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-542-9243INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-643-9815INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-539-4999?

NSN 5905-00-539-4999 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 5905-00-539-4999?

NSN 5905-00-539-4999 has 4 cross-referenced part numbers: RV4NAYSK101A (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), 138-002-1015 (Northrop Grumman Systems Corporation).

What NSN replaces 5905-00-539-4999?

There are 6 known substitutes for 5905-00-539-4999: 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 RV4NAYSK101A?

Key specifications for RV4NAYSK101A: Body Length: 0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Actuator Type: SINGLE SHAFT; Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION; Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-539-4999 still in active supply?

NSN 5905-00-539-4999 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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