NSN 3020-00-273-1411, 3020002731411
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 002731411
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 3020-00-273-1411

National Stock Number (NSN) 3020-00-273-1411, or NIIN 002731411, (gear,spur) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those 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) 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 3020002731411 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

NOMINAL OUTSIDE DIAMETER: (CWCD) 2.560 INCHES
NOMINAL OVERALL LENGTH: (CWFR) 0.625 INCHES
FACE NOMINAL WIDTH: (CWRM) 0.187 INCHES
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM: (CWSR) 0.245 INCHES BOTH ENDS
BODY STYLE: (AAQL) PLAIN, SOLID
FIRST STEP NOMINAL DIAMETER: (CWXB) 0.687 INCHES FIRST END
III MATERIAL: (MATT) STEEL COMP 416 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.438 INCHES FIRST END
BORE NOMINAL DIAMETER: (CWRS) 0.373 INCHES BOTH ENDS
STYLE DESIGNATOR: (STYL) PROTRUDING HUB
KEYWAY NOMINAL WIDTH: (CWSN) 0.093 INCHES BOTH ENDS
HUB STYLE DESIGNATOR: (CWTR) 1 STEP FIRST END
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL
MATERIAL: (MATT) STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-S-763,CLASS 6,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TOOTH FORM: (CWNH) STANDARD
PRESSURE ANGLE: (CWPP) 20.0000 DEGREES
BORE STYLE: (ANTP) 10A W/ KEYWAY BOTH ENDS
END NOMINAL DIAMETER: (CWWN) 0.562 INCHES FIRST END
FIRST STEP NOMINAL LENGTH: (CWWS) 0.406 INCHES FIRST END
TEETH QUANTITY: (AJLA) 80
PITCH DIAMETER: (AGJS) 2.5000 INCHES NOMINAL
BORE STYLE: (ANTP) W/ KEYWAY BOTH ENDS
END NOMINAL LENGTH: (CWWH) 0.031 INCHES FIRST END