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Technical Data Sheet
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1646556 — 1646556

✓ Government record, cited
CATERPILLAR INC DIV CATERPILLAR DEFENSE · COMPONENT
PRODUCT OVERVIEW

1646556: 1646556.

The 1646556 is a CATERPILLAR INC DIV CATERPILLAR DEFENSE industrial component. This part is cataloged in the U.S. Government catalog under NSN 2815-01-453-5601, 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
1646556
NSN: 2815-01-453-5601
FSC: 2815 — Diesel Engines and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number1646556
ManufacturerCATERPILLAR INC DIV CATERPILLAR DEFENSE
NSN2815-01-453-5601
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: CATERPILLAR INC DIV CATERPILLAR DEFENSE 1646556 TITLE COMPONENT PN 1646556 MFR CATERPILLAR INC DIV CATERPILLAR DEFENSE 1646556
KEY FEATURES
•
SURFACE FINISH: FINISHED
•
RING GROOVE QUANTITY: 3
TECHNICAL CHARACTERISTICS
SURFACE FINISHFINISHED
RING GROOVE QUANTITY3
END ITEM IDENTIFICATIONPROPULSION SYSTEMS
SUBSTITUTES & CROSS-REFERENCES 1
1260502Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1646556?
1646556 is a 1646556 manufactured by CATERPILLAR INC DIV CATERPILLAR DEFENSE.
What parts can replace 1646556?
There is 1 known substitute for 1646556: 1260502. Substitute compatibility should be verified for your specific system.
What is the NSN for 1646556?
1646556 is cataloged in the U.S. Government catalog under NSN 2815-01-453-5601. This indicates validated use in U.S. government and defense supply chains.
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