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Technical Data Sheet
656-120A ✓ Verified by PartsTable
· COMPONENT
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 material: ALUMINUM ALLOY 2024 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-071-4213, 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
656-120A
NSN: 3020-01-071-4213
FSC: 3020
CAGE: 24050 — DYNACO DIV TYCO LABORATORIES (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity120
style_designatorPROTRUDING HUB
attachment_methodMOUNTING HOLE
surface_treatmentANODIZE OVERALL
face_nominal_width0.125 INCHES IN
hub_nominal_diameter0.375 INCHES FIRST END IN
NSN3020-01-071-4213
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 656-120A MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES FIRST END IN
TEETH QUANTITY: 120
BORE NOMINAL DIAMETER: 0.125 INCHES BOTH ENDS IN
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
NOMINAL OUTSIDE DIAMETER: 0.015 INCHES IN
SURFACE TREATMENT: ANODIZE OVERALL
FACE NOMINAL WIDTH: 0.125 INCHES IN
HUB NOMINAL DIAMETER: 0.375 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END IN
TEETH QUANTITY120
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS IN
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL OUTSIDE DIAMETER0.015 INCHES IN
SURFACE TREATMENTANODIZE OVERALL
FACE NOMINAL WIDTH0.125 INCHES IN
HUB NOMINAL DIAMETER0.375 INCHES FIRST END IN
PRESSURE ANGLE20.0000 DEGREES
MOUNTING HOLE TYPE AND QUANTITY2 THREADED TRANSVERSELY THROUGH HUB FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A-A-50179Interchangeable
interchangeable cross-reference
interchangeable
2046-5Interchangeable
interchangeable cross-reference
interchangeable
30462Interchangeable
interchangeable cross-reference
interchangeable
204652Interchangeable
interchangeable cross-reference
interchangeable
5188105-65Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 656-120A?
656-120A is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 656-120A?
There are 5 known substitutes for 656-120A: A-A-50179, 2046-5, 30462 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 656-120A?
656-120A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-071-4213. This indicates validated use in U.S. government and defense supply chains.
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