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Technical Data Sheet
PartsTable / MRO / 741-6508
741-6508 ✓ 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: 1.250 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, bearing_type: BEARING SHAFT, pilot_length: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN, shaft_length: 0.656 INCHES MINIMUM AND 0.719 INCHES MAXIMUM 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 5905-01-285-5488, 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→ 741-6508
NSN: 5905-01-285-5488
FSC: 5905
CAGE: 19176 — SERVO INSTRUMENT CORPORATION (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length1.250 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
bearing_typeBEARING SHAFT
pilot_length0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
shaft_length0.656 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter1.125 INCHES MAXIMUM IN
cubic_measure1.243 CUBIC INCHES
pilot_diameter0.9683 INCHES MINIMUM AND 0.9688 INCHES MAXIMUM IN
shaft_diameter0.1246 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
undercut_width0.0570 INCHES MINIMUM IN
NSN5905-01-285-5488
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 741-6508 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
TEST DATA DOCUMENT: 97424-5839K70 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
•
SECTION QUANTITY: 2
•
PILOT LENGTH: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
•
MOUNTING METHOD: CLAMP RING(S)
•
CUBIC MEASURE: 1.243 CUBIC INCHES
•
SHAFT LENGTH: 0.656 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
•
BODY STYLE: CYLINDRICAL SERVO MOUNTED
•
BODY LENGTH: 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TEST DATA DOCUMENT97424-5839K70 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
SECTION QUANTITY2
PILOT LENGTH0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
MOUNTING METHODCLAMP RING(S)
CUBIC MEASURE1.243 CUBIC INCHES
SHAFT LENGTH0.656 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
BODY STYLECYLINDRICAL SERVO MOUNTED
BODY LENGTH1.250 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.975 INCHES MAXIMUM IN
MAXIMUM RUNNING TORQUE0.30 INCH-OUNCES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4289BInterchangeable
interchangeable cross-reference
interchangeable
4289Interchangeable
interchangeable cross-reference
interchangeable
187673PC306Interchangeable
interchangeable cross-reference
interchangeable
N325PC343Interchangeable
interchangeable cross-reference
interchangeable
107253PC85Interchangeable
interchangeable cross-reference
interchangeable
67A314B83Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 741-6508?
741-6508 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 741-6508?
There are 17 known substitutes for 741-6508: 4289B, 4289, 187673PC306 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 741-6508?
741-6508 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-285-5488. 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