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12640788 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12640788: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, style_designator: HUBLESS, face_nominal_width: 0.310 INCHES IN, end_item_identification: 016536516, nominal_outside_diameter: 6.960 INCHES IN, part_name_assigned_by_controlling_agency: GEAR. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-679-4089, 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
12640788
NSN: 3020-01-679-4089
NIINs: 016794089, 017255465
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
style_designatorHUBLESS
face_nominal_width0.310 INCHES IN
end_item_identification016536516
nominal_outside_diameter6.960 INCHES IN
part_name_assigned_by_controlling_agencyGEAR
NSN3020-01-679-4089
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 12640788 MFR GEAR,SPUR
KEY FEATURES
•
STYLE DESIGNATOR: HUBLESS
•
NOMINAL OUTSIDE DIAMETER: 6.960 INCHES IN
•
MATERIAL: STEEL OVERALL
•
FACE NOMINAL WIDTH: 0.310 INCHES IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORHUBLESS
NOMINAL OUTSIDE DIAMETER6.960 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGEAR
END ITEM IDENTIFICATION016536516
MATERIALSTEEL OVERALL
FACE NOMINAL WIDTH0.310 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
4401125Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12640788?
12640788 is a GEAR,SPUR.
What parts can replace 12640788?
There is 1 known substitute for 12640788: 4401125. Substitute compatibility should be verified for your specific system.
What is the NSN for 12640788?
12640788 is cataloged in the U.S. Government catalog under NSN 3020-01-679-4089. 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.