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Technical Data Sheet
PartsTable / MRO / RA20TASB151A
RA20TASB151A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.620 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.625 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, body_diameter: 1.220 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-001-3049, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ RA20TASB151A
NSN: 5905-00-001-3049
FSC: 5905
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.620 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
shaft_length0.625 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.220 INCHES NOMINAL IN
overall_length1.245 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodLOCKING BUSHING
overall_diameter1.750 INCHES NOMINAL IN
section_quantity1
special_featuresMOUNTING METHOD: LOCKING BUSHING W/PANEL SEAL
NSN5905-00-001-3049
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN RA20TASB151A MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: 305.0 MAXIMUM
•
NONTURN DEVICE RADIUS: 0.531 INCHES NOMINAL IN
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER: 40.0 SINGLE SECTION
•
BODY DIAMETER: 1.220 INCHES NOMINAL IN
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
•
POWER DISSIPATION RATING PER SECTION IN WATTS: 2.0 FREE AIR SINGLE SECTION
•
MAXIMUM RUNNING TORQUE: 1.20 INCH-OUNCES IN
TECHNICAL CHARACTERISTICS (FLIS)
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION305.0 MAXIMUM
NONTURN DEVICE RADIUS0.531 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER40.0 SINGLE SECTION
BODY DIAMETER1.220 INCHES NOMINAL IN
SHAFT DIAMETER0.250 INCHES NOMINAL IN
SPECIAL FEATURESMOUNTING METHOD: LOCKING BUSHING W/PANEL SEAL
POWER DISSIPATION RATING PER SECTION IN WATTS2.0 FREE AIR SINGLE SECTION
MAXIMUM RUNNING TORQUE1.20 INCH-OUNCES IN
TEST DATA DOCUMENT81349-MIL-R-19 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 LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
MIL-PRF-19/2Interchangeable
Same NIIN cross-reference
interchangeable
MILR19-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA20TASB151A?
RA20TASB151A is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace RA20TASB151A?
There are 2 known substitutes for RA20TASB151A: MIL-PRF-19/2, MILR19-2. Substitute compatibility should be verified for your specific system.
What is the NSN for RA20TASB151A?
RA20TASB151A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-001-3049. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026