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3B9479 — LEVER,STARTER PINION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3B9479: LEVER,STARTER PINION.

The LEVER,STARTER PINION is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CAST IRON,4 IN. O/A L,0.406 IN.

0/A W,0.750 IN. 0/A H,0.437 IN. 0/A THK IN.

This part is cataloged in the U.S. Government catalog under NSN 2990-00-423-9182, 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
3B9479
NSN: 2990-00-423-9182
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCAST IRON,4 IN. O/A L,0.406 IN. 0/A W,0.750 IN. 0/A H,0.437 IN. 0/A THK IN
NSN2990-00-423-9182
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LEVER,STARTER PINION TITLE COMPONENT PN 3B9479 MFR LEVER,STARTER PINION
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST IRON,4 IN. O/A L,0.406 IN. 0/A W,0.750 IN. 0/A H,0.437 IN. 0/A THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST IRON,4 IN. O/A L,0.406 IN. 0/A W,0.750 IN. 0/A H,0.437 IN. 0/A THK IN
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-096-8607 2990-00-390-3445 2990-00-459-7255 2990-00-536-2962 2990-00-903-8226 2990-01-151-5443
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3B9479?
3B9479 is a LEVER,STARTER PINION.
What is the NSN for 3B9479?
3B9479 is cataloged in the U.S. Government catalog under NSN 2990-00-423-9182. 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.