PartsTable
Technical Data Sheet
B491 ✓ 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,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_width: 0.402 INCHES MAXIMUM IN, body_length: 0.725 INCHES MAXIMUM IN, shaft_style: ROUND, STEPPED, bearing_type: BALL SHAFT, pilot_length: 0.0620 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 5905-01-007-6253, 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 B491
NSN: 5905-01-007-6253
FSC: 5905
CAGE: 04454 — SENSOR SYSTEMS, L.L.C. DBA SENSOR SYSTEMS LLC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_width0.402 INCHES MAXIMUM IN
body_length0.725 INCHES MAXIMUM IN
shaft_styleROUND, STEPPED
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length1.380 INCHES NOMINAL IN
shaft_runout0.002 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter2.031 INCHES MAXIMUM IN
overall_width0.435 INCHES MAXIMUM IN
body_thickness0.150 INCHES MAXIMUM IN
NSN5905-01-007-6253
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN B491 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
RESISTANCE TOLERANCE PER SECTION IN PERCENT: -10.0 TO 10.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: 360.0 NOMINAL
UNDERCUT DIAMETER: 0.125 INCHES NOMINAL IN
SHAFT LENGTH: 1.380 INCHES NOMINAL IN
TERMINAL LOCATION: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 125.0 SINGLE SECTION
PILOT LENGTH: 0.0620 INCHES NOMINAL IN
FUNCTION CHARACTERISTIC PER SECTION: SINGLE SECTION LINEAR
TECHNICAL CHARACTERISTICS (FLIS)
RESISTANCE TOLERANCE PER SECTION IN PERCENT-10.0 TO 10.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG360.0 NOMINAL
UNDERCUT DIAMETER0.125 INCHES NOMINAL IN
SHAFT LENGTH1.380 INCHES NOMINAL IN
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 SINGLE SECTION
PILOT LENGTH0.0620 INCHES NOMINAL IN
FUNCTION CHARACTERISTIC PER SECTIONSINGLE SECTION LINEAR
ACTUATOR TRAVEL CONTROL FEATURECONTINUOUS MOTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION352.0 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
B107.30 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
B107.30 TY1Interchangeable
interchangeable cross-reference
interchangeable
2752Interchangeable
interchangeable cross-reference
interchangeable
308-37Interchangeable
interchangeable cross-reference
interchangeable
B1971Interchangeable
interchangeable cross-reference
interchangeable
2341T2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B491?
B491 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace B491?
There are 18 known substitutes for B491: B107.30 TY1CL1, B107.30 TY1, 2752 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B491?
B491 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-007-6253. This indicates validated use in U.S. government and defense supply chains.
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