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Technical Data Sheet
4890H14-1-2-1-4 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.8750 INCHES NOMINAL IN, pressure_angle: 14.5000 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 3020-00-677-6704, 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
4890H14-1-2-1-4
NSN: 3020-00-677-6704
FSC: 3020
CAGE: 34519 — HARMONIC DRIVE L.L.C. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.8750 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity90
style_designatorPROTRUDING HUB
surface_treatmentANODIZE OVERALL
face_nominal_width0.125 INCHES IN
hub_nominal_diameter0.500 INCHES FIRST END IN
hub_style_designatorPINNED FIRST END
NSN3020-00-677-6704
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 4890H14-1-2-1-4 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
STYLE DESIGNATOR: PROTRUDING HUB
NOMINAL OUTSIDE DIAMETER: 1.917 INCHES IN
FACE NOMINAL WIDTH: 0.125 INCHES IN
HUB NOMINAL DIAMETER: 0.500 INCHES FIRST END IN
HUB STYLE DESIGNATOR: PINNED FIRST END
TOOTH FORM: STANDARD
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES FIRST END IN
BORE STYLE: PLAIN BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPROTRUDING HUB
NOMINAL OUTSIDE DIAMETER1.917 INCHES IN
FACE NOMINAL WIDTH0.125 INCHES IN
HUB NOMINAL DIAMETER0.500 INCHES FIRST END IN
HUB STYLE DESIGNATORPINNED FIRST END
TOOTH FORMSTANDARD
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END IN
BORE STYLEPLAIN BOTH ENDS
MATERIALALUMINUM ALLOY 2024 OVERALL
TEETH QUANTITY90
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
104A90Interchangeable
interchangeable cross-reference
interchangeable
104-84Interchangeable
interchangeable cross-reference
interchangeable
12043Interchangeable
interchangeable cross-reference
interchangeable
602Interchangeable
interchangeable cross-reference
interchangeable
302-10Interchangeable
interchangeable cross-reference
interchangeable
10490Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4890H14-1-2-1-4?
4890H14-1-2-1-4 is a MICROCIRCUIT,DIGITAL.
What parts can replace 4890H14-1-2-1-4?
There are 14 known substitutes for 4890H14-1-2-1-4: 104A90, 104-84, 12043 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4890H14-1-2-1-4?
4890H14-1-2-1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-677-6704. This indicates validated use in U.S. government and defense supply chains.
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