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2155115 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2155115: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include end_item_identification: ALCO251 ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-580-4793, 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
2155115
NSN: 3020-00-580-4793
NIINs: 005804793, 014701041
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
end_item_identificationALCO251 ENGINE
NSN3020-00-580-4793
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 2155115 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 2.750 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 246
•
BODY STYLE: PLAIN, SOLID
•
COUNTERBORE NOMINAL DIAMETER: 2.875 INCHES BOTH ENDS IN
•
BORE STYLE: W/COUNTERBORE BOTH ENDS
•
STYLE DESIGNATOR: HUBLESS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PITCH DIAMETER: 3.8437 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER2.750 INCHES BOTH ENDS IN
TEETH QUANTITY246
BODY STYLEPLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER2.875 INCHES BOTH ENDS IN
BORE STYLEW/COUNTERBORE BOTH ENDS
STYLE DESIGNATORHUBLESS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER3.8437 INCHES NOMINAL IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER3.874 INCHES IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2155115?
2155115 is a GEAR,SPUR.
What is the NSN for 2155115?
2155115 is cataloged in the U.S. Government catalog under NSN 3020-00-580-4793. 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.