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974189 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

974189: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include end_item_identification: HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS). This part is cataloged in the U.S.

Government catalog under NSN 3020-00-250-8204, 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
974189
NSN: 3020-00-250-8204
NIINs: 002508204, 014090243
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 94404 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
end_item_identificationHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
NSN3020-00-250-8204
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 974189 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 4.125 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 164
•
BODY STYLE: WEBBED, OFFSET, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
STYLE DESIGNATOR: HUBLESS, RECESSED BODY
•
PITCH DIAMETER: 5.1250 INCHES NOMINAL IN
•
TOOTH FORM: STANDARD
•
NOMINAL OUTSIDE DIAMETER: 5.184 INCHES IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER4.125 INCHES BOTH ENDS IN
TEETH QUANTITY164
BODY STYLEWEBBED, OFFSET, SOLID
BORE STYLEPLAIN BOTH ENDS
STYLE DESIGNATORHUBLESS, RECESSED BODY
PITCH DIAMETER5.1250 INCHES NOMINAL IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER5.184 INCHES IN
SURFACE TREATMENTCHROMIUM AND NICKEL OVERALL
PRESSURE ANGLE14.5000 DEGREES
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 974189?
974189 is a GEAR,SPUR.
What is the NSN for 974189?
974189 is cataloged in the U.S. Government catalog under NSN 3020-00-250-8204. 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.