PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R4LAYSA252AResistor,variable,nonwire Wound,

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-539-2567 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-539-2567 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-539-2567. Primary manufacturer part number: R4LAYSA252A.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Shaft Diameter: 0.250 INCHES NOMINAL IN
  • Body Style: CYLINDRICAL BUSHING MOUNTED
  • Actuator Travel Control Feature: STOPS
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
  • Specification/standard Data: 81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
  • 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.).
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-539-2567, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-539-2567
Primary Part NumberR4LAYSA252A
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 Diameter0.250 INCHES NOMINAL IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 TAB, SOLDER LUG
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Specification/standard Data81349-MIL-R-94/5 GOVERNMENT SPECIFICATION
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 Watts2.0 FREE AIR SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Actuator TypeSINGLE SHAFT
Electrical Resistance Per Section2.5 KILOHMS SINGLE SECTION
Rotary Actuator Travel in Angular Deg309.0 MINIMUM AND 320.0 MAXIMUM
Screw Thread Series DesignatorUNEF
Screw Thread Quantity Per Inch32.0
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Mounting MethodLOCKING BUSHING
Screw Thread Diameter0.375 INCHES NOMINAL IN
Nonturn Device Radius0.531 INCHES NOMINAL IN
Mounting Bushing Length0.500 INCHES NOMINAL IN
Shaft Length0.625 INCHES NOMINAL IN
Body Diameter1.094 INCHES NOMINAL IN
Body Length0.562 INCHES NOMINAL IN
Section Quantity1
Reliability IndicatorNOT ESTABLISHED
Shaft StyleROUND, SLOTTED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-00-114-3349380-0313-000 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5905-00-556-5190 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
R4LAYSA252A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JA3L032S252UC Rockwell Automation, Inc. Dba Rockwell Automation (USA)
317-101-010 L3harris Interstate Electronics Corporation (USA)
380-2768-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
138-002-2521 Northrop Grumman Systems Corporation (USA)
J30538 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
580004H252 Itt Industries Inc Itt Aerospace Communications Div East (USA)
MIL-PRF-94/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RV4LAYSA252A Ems Development Corporation (USA)
202-5039 Invensys Systems, Inc. Dba Schneider Electric (USA)
560445-2 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
JA1L040S252UL Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RV4LAXSA252A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
530-0106 Staco Energy Products Co Dba Staco Energy Products Co (USA)
F810 Nautel Maine Inc (USA)
JAIL0405252UC Rockwell Automation, Inc. Dba Rockwell Automation (USA)
410-4184 Nimikkeistokeskus Ncb Finland (FIN)
R1542 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
OA109267-0013 Honeywell International Inc Dba Honeywell (USA)
P36700267 Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
Related Parts
5905-00-114-3349INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
380-0313-000
5905-00-556-5190INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-539-2567?

NSN 5905-00-539-2567 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 5905-00-539-2567?

NSN 5905-00-539-2567 has 37 cross-referenced part numbers: R4LAYSA252A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JA3L032S252UC (Rockwell Automation, Inc. Dba Rockwell Automation), 317-101-010 (L3harris Interstate Electronics Corporation), 380-2768-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 138-002-2521 (Northrop Grumman Systems Corporation) and 32 more.

What NSN replaces 5905-00-539-2567?

There are 2 known substitutes for 5905-00-539-2567: 5905-00-114-3349, 5905-00-556-5190. Verify interchangeability with system specifications before substitution.

What are the specifications of R4LAYSA252A?

Key specifications for R4LAYSA252A: Shaft Diameter: 0.250 INCHES NOMINAL IN; Body Style: CYLINDRICAL BUSHING MOUNTED; Actuator Travel Control Feature: STOPS; Terminal Type and Quantity: 3 TAB, SOLDER LUG. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-539-2567 still in active supply?

NSN 5905-00-539-2567 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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