PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RV4NBYSK104CResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-581-2870 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-581-2870 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-581-2870. Primary manufacturer part number: RV4NBYSK104C.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Features Provided: SWITCH
  • Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
  • Actuator Type: SINGLE SHAFT
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 SINGLE SECTION
  • Actuator Travel Control Feature: STOPS
  • 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.).
  • Terminal Type and Quantity: 5 TAB, SOLDER LUG
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-581-2870, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-581-2870
Primary Part NumberRV4NBYSK104C
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
StatusACTIVE
Features ProvidedSWITCH
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Actuator TypeSINGLE SHAFT
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Actuator Travel Control FeatureSTOPS
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.).
Terminal Type and Quantity5 TAB, SOLDER LUG
Specification/standard Data81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
Electrical Resistance Per Section100.0 KILOHMS SINGLE SECTION
Switch Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED
Screw Thread Diameter0.375 INCHES NOMINAL IN
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Nonturn Device Radius0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Screw Thread Quantity Per Inch32.0
Mounting MethodSTANDARD BUSHING
Power Dissipation Rating Per Section in Watts1.0 FREE AIR SINGLE SECTION
Operating PositionSTART OF ROTATION
Rotary Actuator Travel in Angular Deg330.0 MINIMUM AND 340.0 MAXIMUM
Screw Thread Series DesignatorUNEF
Section Quantity1
Body Diameter1.032 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Reliability IndicatorNOT ESTABLISHED
Switch Current Type and Rating in Amps3.000 AC
Switch Voltage Rating in Volts117.0
Switch TypeROTARY
Shaft Length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-577-9748 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-583-6927 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-660-4341 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-752-3361 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
RV4NBYSK104C 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
MILR94B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-577-9748INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-583-6927INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-660-4341INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-752-3361INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-581-2870?

NSN 5905-00-581-2870 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: active.

What are the part numbers for NSN 5905-00-581-2870?

NSN 5905-00-581-2870 has 3 cross-referenced part numbers: RV4NBYSK104C (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), MILR94B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-00-581-2870?

There are 4 known substitutes for 5905-00-581-2870: 5905-00-577-9748, 5905-00-583-6927, 5905-00-660-4341 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RV4NBYSK104C?

Key specifications for RV4NBYSK104C: Features Provided: SWITCH; Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Actuator Type: SINGLE SHAFT; Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 SINGLE SECTION. 30 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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