NSN 3020-00-310-3910, 3020003103910
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 003103910
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 3020-00-310-3910

National Stock Number (NSN) 3020-00-310-3910, or NIIN 003103910, (gear,spur) was assigned January 1, 1963 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 3020003103910 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END NOMINAL DIAMETER: (CWWN) 1.000 INCHES FIRST END
BORE NOMINAL DIAMETER: (CWRS) 0.563 INCHES BOTH ENDS
PITCH DIAMETER: (AGJS) 6.7470 INCHES MINIMUM AND 6.7500 INCHES MAXIMUM
TEETH QUANTITY: (AJLA) 216
NOMINAL OUTSIDE DIAMETER: (CWCD) 6.810 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.750 INCHES FIRST END
BORE STYLE: (ANTP) PLAIN BOTH ENDS
PRESSURE ANGLE: (CWPP) 14.5000 DEGREES
MATERIAL: (MATT) COPPER ALLOY 955 OVERALL
BODY STYLE: (AAQL) SPOKED, OFFSET
END NOMINAL LENGTH: (CWWH) 0.560 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-C-390,ALLOY G1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR: (STYL) PROTRUDING HUB, RECESSED BODY
FACE NOMINAL WIDTH: (CWRM) 0.168 INCHES
FIRST STEP NOMINAL DIAMETER: (CWXB) 1.500 INCHES FIRST END
NOMINAL OVERALL LENGTH: (CWFR) 0.938 INCHES
FIRST STEP NOMINAL LENGTH: (CWWS) 0.188 INCHES FIRST END
SURFACE TREATMENT: (SFTT) CADMIUM BODY
TOOTH FORM: (CWNH) STANDARD
BODY RECESS NOMINAL DEPTH: (CWRB) 0.031 INCHES SECOND END
HUB STYLE DESIGNATOR: (CWTR) 1 STEP FIRST END
III MATERIAL: (MATT) COPPER ALLOY 955 OVERALL