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Technical Data Sheet
503111 ✓ 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,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_length: 0.790 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: BALL SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN, shaft_length: 0.500 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 5905-01-149-6939, 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 503111
NSN: 5905-01-149-6939
FSC: 5905
CAGE: 22978 — MEASUREMENT SYSTEMS INC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length0.790 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.500 INCHES NOMINAL IN
shaft_runout0.001 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
lateral_runout0.002 INCHES IN
overall_length1.321 INCHES MAXIMUM IN
pilot_diameter0.7500 INCHES MAXIMUM IN
NSN5905-01-149-6939
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 503111 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
PILOT LENGTH: 0.0620 INCHES NOMINAL IN
SHAFT DIAMETER: 0.1248 INCHES MAXIMUM IN
UNDERCUT WIDTH: 0.0570 INCHES MINIMUM IN
BEARING TYPE: BALL SHAFT
FEATURES PROVIDED: HUMIDITY PROOF
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 125.0 ALL SECTIONS
PILOT DIAMETER RUNOUT: 0.001 INCHES IN
SHAFT RADIAL PLAY: 0.003 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
PILOT LENGTH0.0620 INCHES NOMINAL IN
SHAFT DIAMETER0.1248 INCHES MAXIMUM IN
UNDERCUT WIDTH0.0570 INCHES MINIMUM IN
BEARING TYPEBALL SHAFT
FEATURES PROVIDEDHUMIDITY PROOF
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 ALL SECTIONS
PILOT DIAMETER RUNOUT0.001 INCHES IN
SHAFT RADIAL PLAY0.003 INCHES IN
SHAFT RUNOUT0.001 INCHES IN
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION350.0 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3-111Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-010Interchangeable
interchangeable cross-reference
interchangeable
DF298851 FIND 7Interchangeable
interchangeable cross-reference
interchangeable
20346-400 FINDInterchangeable
interchangeable cross-reference
interchangeable
M33075Interchangeable
interchangeable cross-reference
interchangeable
G5218PC23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503111?
503111 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 503111?
There are 16 known substitutes for 503111: 3-111, M83248/1-010, DF298851 FIND 7 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503111?
503111 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-149-6939. This indicates validated use in U.S. government and defense supply chains.
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