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A4063 — GEAR CLUSTER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A4063: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include end_item_identification: UH-60A BLACK HAWK,HELICOPTER A. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-045-7098, 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
A4063
NSN: 3020-00-045-7098
NIINs: 000457098, 010707563
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 12511 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
end_item_identificationUH-60A BLACK HAWK,HELICOPTER A
NSN3020-00-045-7098
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR CLUSTER TITLE COMPONENT PN A4063 MFR GEAR CLUSTER
KEY FEATURES
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BORE NOMINAL DIAMETER: 0.0474 INCHES BOTH ENDS IN
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DESIGN TYPE: SPUR SECOND GEAR
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BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL OVERALL LENGTH: 3.1850 INCHES IN
•
NOMINAL OUTSIDE DIAMETER: 0.3570 INCHES SECOND GEAR IN
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.0474 INCHES BOTH ENDS IN
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
BORE STYLEPLAIN BOTH ENDS
NOMINAL OVERALL LENGTH3.1850 INCHES IN
NOMINAL OUTSIDE DIAMETER0.3570 INCHES SECOND GEAR IN
NOMINAL OUTSIDE DIAMETER0.6020 INCHES FIRST GEAR IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A4063?
A4063 is a GEAR CLUSTER.
What is the NSN for A4063?
A4063 is cataloged in the U.S. Government catalog under NSN 3020-00-045-7098. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.