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Technical Data Sheet
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4R9321 — 4R9321

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

4R9321: 4R9321.

The 4R9321 is a CATERPILLAR INC DIV CATERPILLAR DEFENSE industrial component. This part is cataloged in the U.S. Government catalog under NSN 2530-01-455-4250, 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
4R9321
NSN: 2530-01-455-4250
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number4R9321
ManufacturerCATERPILLAR INC DIV CATERPILLAR DEFENSE
NSN2530-01-455-4250
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: CATERPILLAR INC DIV CATERPILLAR DEFENSE 4R9321 TITLE COMPONENT PN 4R9321 MFR CATERPILLAR INC DIV CATERPILLAR DEFENSE 4R9321
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON CATERPILLAR BULLDOZER UNDERCARRIAGE
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 4R9321?
4R9321 is a 4R9321 manufactured by CATERPILLAR INC DIV CATERPILLAR DEFENSE.
What is the NSN for 4R9321?
4R9321 is cataloged in the U.S. Government catalog under NSN 2530-01-455-4250. This indicates validated use in U.S. government and defense supply chains.
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