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T98A8 — GEAR CLUSTER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

T98A8: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4027 AND STEEL COMP 8620 OVERALL, bore_style: W/ 2 KEYWAYS SPACED 180 DEG BOTH ENDSUNABLE TO DECODE, design_type: HELICAL THIRD GEARUNABLE TO DECODE, construction: SOLID, hub_nominal_length: 0.125 INCHES SECOND ENDUNABLE TO DECODE IN, hub_nominal_diameter: UNABLE TO DECODE. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-929-3567, 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
T98A8
NSN: 3020-00-929-3567
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 08018 — BORG-WARNER CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4027 AND STEEL COMP 8620 OVERALL
bore_styleW/ 2 KEYWAYS SPACED 180 DEG BOTH ENDSUNABLE TO DECODE
design_typeHELICAL THIRD GEARUNABLE TO DECODE
constructionSOLID
hub_nominal_length0.125 INCHES SECOND ENDUNABLE TO DECODE IN
hub_nominal_diameterUNABLE TO DECODE
hub_style_designatorPLAIN BETWEEN FIRST AND SECOND GEAR
keyway_nominal_width0.312 INCHES BOTH ENDSUNABLE TO DECODE IN
bore_nominal_diameter1.511 INCHES BOTH ENDSUNABLE TO DECODE IN
nominal_overall_length9.668 INCHES IN
nominal_outside_diameter6.385 INCHES FOURTH GEARUNABLE TO DECODE IN
material_document_and_classificationUNABLE TO DECODE
NSN3020-00-929-3567
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR CLUSTER TITLE COMPONENT PN T98A8 MFR GEAR CLUSTER
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.312 INCHES BOTH ENDSUNABLE TO DECODE IN
•
BORE NOMINAL DIAMETER: 1.511 INCHES BOTH ENDSUNABLE TO DECODE IN
•
HUB NOMINAL DIAMETER: 2.750 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.312 INCHES BOTH ENDSUNABLE TO DECODE IN
BORE NOMINAL DIAMETER1.511 INCHES BOTH ENDSUNABLE TO DECODE IN
HUB NOMINAL DIAMETER2.750 INCHES FIRST END IN
HUB NOMINAL DIAMETER2.125 INCHES SECOND END IN
HUB NOMINAL DIAMETER2.125 INCHES BETWEEN FIRST AND SECOND GEAR IN
HUB NOMINAL DIAMETER2.375 INCHES BETWEEN THIRD AND FOURTH GEAR IN
HUB NOMINAL DIAMETER3.125 INCHES BETWEEN SECOND AND THIRD GEAR IN
HUB NOMINAL DIAMETERUNABLE TO DECODE
DESIGN TYPESPUR FIRST GEARUNABLE TO DECODE
DESIGN TYPEHELICAL FOURTH GEARUNABLE TO DECODE
SUBSTITUTES & CROSS-REFERENCES 3
154077R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
154077R11Reference document
Same NSN cross-reference
Reference document — Secondary reference
53831Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T98A8?
T98A8 is a GEAR CLUSTER.
What parts can replace T98A8?
There are 3 known substitutes for T98A8: 154077R1, 154077R11, 53831. Substitute compatibility should be verified for your specific system.
What is the NSN for T98A8?
T98A8 is cataloged in the U.S. Government catalog under NSN 3020-00-929-3567. 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.