PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RV5LATSB254BResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-643-9815 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-643-9815 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-643-9815. Primary manufacturer part number: RV5LATSB254B.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Shaft Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
  • Maximum Starting Torque: 6.00 INCH-OUNCES IN
  • Body Length: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Body Diameter: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
  • Maximum Stop Torque: 80.00 INCH-OUNCES IN
  • Mounting Bushing Length: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Actuator Type: SINGLE SHAFT
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-643-9815, 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 6 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
NSN5905-00-643-9815
Primary Part NumberRV5LATSB254B
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
Shaft Length0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
Maximum Starting Torque6.00 INCH-OUNCES IN
Body Length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Body Diameter0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
Maximum Stop Torque80.00 INCH-OUNCES IN
Mounting Bushing Length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Actuator TypeSINGLE SHAFT
Shaft StyleROUND, SLOTTED
Shaft Diameter0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Overall Diameter0.953 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Screw Thread Diameter0.250 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg295.0 MINIMUM AND 305.0 MAXIMUM
Electrical Resistance Per Section250.0 KILOHMS SINGLE SECTION
Screw Thread Series DesignatorUNEF
Nonturn Device Radius0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Screw Thread Quantity Per Inch32.0
Actuator Travel Control FeatureSTOPS
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Mounting MethodLOCKING BUSHING
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
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.).
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts0.5 FREE AIR SINGLE SECTION
Body StyleCYLINDRICAL BUSHING MOUNTED
Section Quantity1
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Specification/standard Data81349-MIL-R-94/2 GOVERNMENT SPECIFICATION
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,
5905-00-542-9243 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
RV5LATSB254B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RV5LAB254B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR94-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RV5LAYSB254A 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-94/2 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,
5905-00-542-9243INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-643-9815?

NSN 5905-00-643-9815 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 5905-00-643-9815?

NSN 5905-00-643-9815 has 6 cross-referenced part numbers: RV5LATSB254B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RV5LAB254B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR94-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RV5LAYSB254A (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) and 1 more.

What NSN replaces 5905-00-643-9815?

There are 6 known substitutes for 5905-00-643-9815: 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 RV5LATSB254B?

Key specifications for RV5LATSB254B: Shaft Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Maximum Starting Torque: 6.00 INCH-OUNCES IN; Body Length: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; Body Diameter: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-643-9815 still in active supply?

NSN 5905-00-643-9815 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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