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102-1039 — GEAR CLUSTER

✓ Government record, cited
3M · COMPONENT
PRODUCT OVERVIEW

102-1039: GEAR CLUSTER.

The GEAR CLUSTER is a 3M industrial component. Key specifications include diameter: 0.985 INCHES IN, material: STEEL CORROSION RESISTING, end_item_identification: 3610-01-075-8303 PHOTOMECHANICAL MODULE. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-320-0997, 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
102-1039
NSN: 3020-00-320-0997
NIINs: 003200997, 012105697
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.985 INCHES IN
materialSTEEL CORROSION RESISTING
end_item_identification3610-01-075-8303 PHOTOMECHANICAL MODULE
NSN3020-00-320-0997
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M GEAR CLUSTER TITLE COMPONENT PN 102-1039 MFR 3M GEAR CLUSTER
KEY FEATURES
•
HUB NOMINAL DIAMETER: 0.3125 INCHES BETWEEN FIRST AND SECOND GEAR IN
•
DESIGN TYPE: SPUR SECOND GEAR
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL OVERALL LENGTH: 0.531 INCHES IN
•
HUB STYLE DESIGNATOR: PLAIN FIRST END
TECHNICAL CHARACTERISTICS
HUB NOMINAL DIAMETER0.3125 INCHES BETWEEN FIRST AND SECOND GEAR IN
HUB NOMINAL DIAMETER0.3125 INCHES BETWEEN SECOND AND THIRD GEAR IN
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
BORE STYLEPLAIN BOTH ENDS
NOMINAL OVERALL LENGTH0.531 INCHES IN
HUB STYLE DESIGNATORPLAIN FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
HUB NOMINAL LENGTH0.063 INCHES SECOND END IN
HUB NOMINAL LENGTH0.156 INCHES BETWEEN FIRST AND SECOND GEAR IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 102-1039?
102-1039 is a GEAR CLUSTER manufactured by 3M.
What is the NSN for 102-1039?
102-1039 is cataloged in the U.S. Government catalog under NSN 3020-00-320-0997. 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.