NSN 3020-00-797-1258, 3020007971258
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 007971258
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

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 3020-00-797-1258

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 3020-00-797-1258

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 3020-00-797-1258

National Stock Number (NSN) 3020-00-797-1258, or NIIN 007971258, (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, 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 3020007971258 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

NOMINAL OVERALL LENGTH: (CWFR) 0.406 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.250 INCHES FIRST END
END NOMINAL LENGTH: (CWWH) 0.156 INCHES FIRST END
MATERIAL: (MATT) STEEL CORROSION RESISTING OVERALL
END NOMINAL DIAMETER: (CWWN) 0.156 INCHES FIRST END
TEETH QUANTITY: (AJLA) 46
FIRST STEP NOMINAL DIAMETER: (CWXB) 0.250 INCHES FIRST END
BORE STYLE: (ANTP) PLAIN BOTH ENDS
NOMINAL OUTSIDE DIAMETER: (CWCD) 0.489 INCHES
PRESSURE ANGLE: (CWPP) 20.0000 DEGREES
HUB STYLE DESIGNATOR: (CWTR) 1 STEP FIRST END
STYLE DESIGNATOR: (STYL) PROTRUDING HUB
ATTACHMENT METHOD: (ABSX) CLAMP
FACE NOMINAL WIDTH: (CWRM) 0.156 INCHES
PITCH DIAMETER: (AGJS) 0.4792 INCHES NOMINAL
TOOTH FORM: (CWNH) STANDARD
III MATERIAL: (MATT) STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL
BODY STYLE: (AAQL) PLAIN, SOLID
BORE NOMINAL DIAMETER: (CWRS) 0.125 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH: (CWWS) 0.094 INCHES FIRST END