NSN 3020-00-815-7537, 3020008157537
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 008157537
Codification Country: United States
Item Name Code: INC 05466
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 3020-00-815-7537

National Stock Number (NSN) 3020-00-815-7537, or NIIN 008157537, (gear,spur) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). 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, only one supplier is 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) 05466. [A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020008157537 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

PRESSURE ANGLE: (CWPP) 20.0000 DEGREES
TOOTH FORM: (CWNH) STANDARD
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 1.344 INCHES FIRST END
BODY STYLE: (AAQL) PLAIN, SOLID
FACE NOMINAL WIDTH: (CWRM) 0.084 INCHES
END NOMINAL LENGTH: (CWWH) 0.875 INCHES FIRST END
FIRST STEP NOMINAL LENGTH: (CWWS) 0.484 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER: (CWXB) 0.172 INCHES BOTH ENDS
END NOMINAL DIAMETER: (CWWN) 0.125 INCHES BOTH ENDS
MATERIAL: (MATT) STEEL CORROSION RESISTING OVERALL
TEETH QUANTITY: (AJLA) 72
NOMINAL OUTSIDE DIAMETER: (CWCD) 0.617 INCHES
HUB STYLE DESIGNATOR: (CWTR) 1 STEP BOTH ENDS
END NOMINAL LENGTH: (CWWH) 0.125 INCHES SECOND END
III MATERIAL: (MATT) STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL
STYLE DESIGNATOR: (STYL) PROTRUDING HUBS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.203 INCHES SECOND END
PITCH DIAMETER: (AGJS) 0.6000 INCHES NOMINAL
FIRST STEP NOMINAL LENGTH: (CWWS) 0.094 INCHES SECOND END