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9Y8549 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9Y8549: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include body_style: PLAIN, WITH LIGHTENING HOLES, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, teeth_quantity: 81, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-426-0304, 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
9Y8549
NSN: 3020-01-426-0304
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
body_stylePLAIN, WITH LIGHTENING HOLES
bore_stylePLAIN BOTH ENDS
teeth_typeSINGLE HELIX
teeth_quantity81
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
NSN3020-01-426-0304
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 9Y8549 MFR GEAR,HELICAL
KEY FEATURES
•
TEETH QUANTITY: 81
•
BODY STYLE: PLAIN, WITH LIGHTENING HOLES
•
BORE STYLE: PLAIN BOTH ENDS
•
TEETH TYPE: SINGLE HELIX
TECHNICAL CHARACTERISTICS
TEETH QUANTITY81
BODY STYLEPLAIN, WITH LIGHTENING HOLES
BORE STYLEPLAIN BOTH ENDS
TEETH TYPESINGLE HELIX
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
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 9Y8549?
9Y8549 is a GEAR,HELICAL.
What is the NSN for 9Y8549?
9Y8549 is cataloged in the U.S. Government catalog under NSN 3020-01-426-0304. 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.