PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RV4NBYSD251CResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-01-206-9394 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-206-9394 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-206-9394. Primary manufacturer part number: RV4NBYSD251C.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
  • Body Style: CYLINDRICAL BUSHING MOUNTED
  • 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.).
  • Switch Current Type and Rating in Amps: 3.000 AC/DC
  • Shaft Bearing Type: SLEEVE
  • Body Length: 0.828 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-206-9394, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-206-9394
Primary Part NumberRV4NBYSD251C
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
Specification/standard Data81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
Body StyleCYLINDRICAL BUSHING MOUNTED
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.).
Switch Current Type and Rating in Amps3.000 AC/DC
Shaft Bearing TypeSLEEVE
Body Length0.828 INCHES NOMINAL IN
Terminal Type and Quantity5 TAB, SOLDER LUG
Section Quantity1
Terminal LocationREAR-BOTTOM
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts1.0 FREE AIR SINGLE SECTION
Features ProvidedSWITCH AND HUMIDITY PROOF
Screw Thread Quantity Per Inch32.0
Operating PositionSTART OF ROTATION
Screw Thread Diameter0.375 INCHES NOMINAL IN
Actuator TypeSINGLE SHAFT
Electrical Resistance Per Section250.000 OHMS SINGLE SECTION
Cubic Measure0.758 CUBIC INCHES
Maximum Starting Torque6.00 INCH-OUNCES IN
Rotary Actuator Travel in Angular Deg340.0 MAXIMUM
Screw Thread Series DesignatorUNEF
Fragility FactorMODERATELY RUGGED
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Switch TypeROTARY
Effective Electrical Rotation in Deg Angular Rotation340.0 MAXIMUM
Switch Voltage Rating in Volts117.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3010-00-423-80412757 INTERCHANGEABLE
Shaft,drive,clutch
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
RV4NBYSD251C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-94/5 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
JA1N056525AAJS1 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
321764 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
3010-00-423-8041INTERCHANGEABLE
SHAFT,DRIVE,CLUTCH
2757

Frequently Asked Questions

What is NSN 5905-01-206-9394?

NSN 5905-01-206-9394 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 5905-01-206-9394?

NSN 5905-01-206-9394 has 5 cross-referenced part numbers: RV4NBYSD251C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-94/5 (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), JA1N056525AAJS1 (Rockwell Automation, Inc. Dba Rockwell Automation), 321764 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5905-01-206-9394?

There is 1 known substitute for 5905-01-206-9394: 3010-00-423-8041. Verify interchangeability with system specifications before substitution.

What are the specifications of RV4NBYSD251C?

Key specifications for RV4NBYSD251C: Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION; Body Style: CYLINDRICAL BUSHING MOUNTED; 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.).. 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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