NSN 3010-15-121-2970, 3010151212970
GEAR ASSEMBLY,SPEED DECREASER

Federal Supply Classification: FSC 3010 - Torque Converters and Speed Changers
National Item Identification Number: NIIN 151212970
Codification Country: Italy
Item Name Code: INC 05372
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 3010-15-121-2970

National Stock Number (NSN) 3010-15-121-2970, or NIIN 151212970, (gear assembly,speed decreaser) has an unknown assigned date. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 05372. [A GROUP OF GEAR(S) AND/OR WORM(S), OF FIXED RATIO, SPECIFICALLY DESIGNED FOR THE PURPOSE OF DECREASING THE SPEED FROM THE DRIVER(S) TO THE DRIVEN SHAFT OR SHAFTS; HAVING NO REVERSING FEATURE EXCEPT BY REVERSING THE PRIME MOVER. SEE ALSO TRANSMISSION (AS MODIFIED) AND GEARCASE-MOTOR.].

This information was last updated on Feb 20, 2026.