NSN 3020-00-905-2651, 3020009052651
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 009052651
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 3020-00-905-2651

National Stock Number (NSN) 3020-00-905-2651, or NIIN 009052651, (gear,spur) was assigned January 1, 1960 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 2 suppliers. 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 3020009052651 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

BACKLASH DESIGNATION: (BDZQ) GRADE C
PRESSURE ANGLE: (CWPP) 20.0000 DEGREES
COUNTERBORE NOMINAL DEPTH: (CWTB) 0.375 INCHES FIRST END
PITCH DIAMETER: (AGJS) 6.7490 INCHES MINIMUM AND 6.7500 INCHES MAXIMUM
TEETH QUANTITY: (AJLA) 324
III MATERIAL: (MATT) ALUMINUM ALLOY 2024 OVERALL
NOMINAL OUTSIDE DIAMETER: (CWCD) 6.792 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.312 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER: (CWXB) 6.625 INCHES FIRST END
MOUNTING HOLE NOMINAL DIAMETER: (CWZK) 0.101 INCHES AXIALLY THROUGH HUB, FIRST END
MATERIAL: (MATT) ALUMINUM ALLOY 2024 OVERALL
BORE NOMINAL DIAMETER: (CWRS) 5.750 INCHES BOTH ENDS
BODY STYLE: (AAQL) WEBBED, OFFSET, SOLID
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FACE NOMINAL WIDTH: (CWRM) 0.188 INCHES
END NOMINAL LENGTH: (CWWH) 0.250 INCHES FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER: (CWZN) 6.000 INCHES AXIALLY THROUGH HUB, FIRST END
PRECISION CLASSIFICATION: (CWWK) QUALITY NUMBER 10
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR: (STYL) PROTRUDING HUB
MOUNTING HOLE TYPE AND QUANTITY: (CTQY) 10 PLAIN AXIALLY THROUGH HUB, FIRST END
BORE STYLE: (ANTP) W/COUNTERBORE FIRST END
COUNTERBORE NOMINAL DIAMETER: (CWTG) 6.250 INCHES FIRST END
SURFACE TREATMENT: (SFTT) ANODIZE OVERALL
TOOTH FORM: (CWNH) STANDARD
HUB STYLE DESIGNATOR: (CWTR) 1 STEP FIRST END
FIRST STEP NOMINAL LENGTH: (CWWS) 0.062 INCHES FIRST END
ATTACHMENT METHOD: (ABSX) MOUNTING HOLE
END NOMINAL DIAMETER: (CWWN) 6.500 INCHES FIRST END