PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RV1LAYSB253AResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-135-4326 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-135-4326 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-135-4326. Primary manufacturer part number: RV1LAYSB253A.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Shaft Diameter: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Shaft Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
  • Specification/standard Data: 81349-MIL-R-94/1 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • 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 Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-135-4326, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-135-4326
Primary Part NumberRV1LAYSB253A
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
Shaft Diameter0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Shaft Length0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-R-94/1 GOVERNMENT SPECIFICATION
Terminal Type and Quantity3 TAB, SOLDER LUG
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 LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Actuator Travel Control FeatureSTOPS
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
Power Dissipation Rating Per Section in Watts0.2 FREE AIR SINGLE SECTION
Body StyleCYLINDRICAL BUSHING MOUNTED
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Mounting MethodLOCKING BUSHING
Electrical Resistance Per Section25.0 KILOHMS SINGLE SECTION
Rotary Actuator Travel in Angular Deg255.0 MINIMUM AND 305.0 MAXIMUM
Screw Thread Series DesignatorUNEF
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Screw Thread Diameter0.250 INCHES NOMINAL IN
Screw Thread Quantity Per Inch32.0
Nonturn Device Radius0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Maximum Stop Torque48.00 INCH-OUNCES IN
Section Quantity1
Body Length0.297 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Body Diameter0.594 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
Maximum Starting Torque6.00 INCH-OUNCES IN
Actuator TypeSINGLE SHAFT
Overall Diameter0.969 INCHES MAXIMUM IN
Mounting Bushing Length0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5905-00-057-6966 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-069-2781 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-079-4889 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-135-4323 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-135-4329 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-552-5490 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-577-0437 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
RV1LAYSB253A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR94-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-057-6966INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-069-2781INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-079-4889INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-135-4323INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-135-4329INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-552-5490INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-577-0437INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-135-4326?

NSN 5905-00-135-4326 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 5905-00-135-4326?

NSN 5905-00-135-4326 has 2 cross-referenced part numbers: RV1LAYSB253A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR94-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-00-135-4326?

There are 7 known substitutes for 5905-00-135-4326: 5905-00-057-6966, 5905-00-069-2781, 5905-00-079-4889 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RV1LAYSB253A?

Key specifications for RV1LAYSB253A: Overall Length: 0.766 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN; Shaft Diameter: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED; Shaft Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN. 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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