PartsTable
Technical Data Sheet
311-181 ✓ 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 material: COPPER ALLOY OVERALL, face_type: CONCAVE, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, body_length: 0.449 INCHES NOMINAL IN, helix_angle: 1.7831 DEGREES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-464-9978, 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 311-181
NSN: 5905-00-464-9978
FSC: 5905
CAGE: 80009 — TEKTRONIX, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
face_typeCONCAVE
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
body_length0.449 INCHES NOMINAL IN
helix_angle1.7831 DEGREES
shaft_styleROUND, SLOTTED
shaft_length0.625 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.953 INCHES MAXIMUM IN
overall_length1.074 INCHES NOMINAL IN
pitch_diameter0.6250 INCHES NOMINAL IN
NSN5905-00-464-9978
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 311-181 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
SECTION QUANTITY: 1
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER: 40.0 SINGLE SECTION
TERMINAL LOCATION: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY: 3 TAB, SOLDER LUG
POWER DISSIPATION RATING PER SECTION IN WATTS: 0.5 FREE AIR SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT: -20.0 TO 20.0 SINGLE SECTION
BODY STYLE: CYLINDRICAL BUSHING MOUNTED
OVERALL DIAMETER: 1.257 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SECTION QUANTITY1
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER40.0 SINGLE SECTION
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
POWER DISSIPATION RATING PER SECTION IN WATTS0.5 FREE AIR SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-20.0 TO 20.0 SINGLE SECTION
BODY STYLECYLINDRICAL BUSHING MOUNTED
OVERALL DIAMETER1.257 INCHES MAXIMUM IN
ACTUATOR TYPESINGLE SHAFT
SCREW THREAD QUANTITY PER INCH32.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
33189Interchangeable
interchangeable cross-reference
interchangeable
VD104Interchangeable
interchangeable cross-reference
interchangeable
460307-5Interchangeable
interchangeable cross-reference
interchangeable
CW189MPInterchangeable
interchangeable cross-reference
interchangeable
961Interchangeable
interchangeable cross-reference
interchangeable
PM-4H8792Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311-181?
311-181 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 311-181?
There are 15 known substitutes for 311-181: 33189, VD104, 460307-5 and 12 more. Substitute compatibility should be verified for your specific system.
Is 311-181 still available?
311-181 is currently cancelled.
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