NSN 3020-00-479-2502, 3020004792502
Cancelled -> Replaced by 2810008115664

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 004792502
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 3020-00-479-2502

National Stock Number (NSN) 3020-00-479-2502, or NIIN 004792502, (gear,spur) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2810008115664.

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 3020004792502 does not contain precious metals.

This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

ATTACHMENT METHOD: (ABSX) MOUNTING HOLE
BODY STYLE: (AAQL) PLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER: (CWZN) 5.345 INCHES AXIALLY THROUGH HUB, FIRST END
BORE NOMINAL DIAMETER: (CWRS) 5.030 INCHES BOTH ENDS
BORE STYLE: (ANTP) W/COUNTERBORE BOTH ENDS
COUNTERBORE NOMINAL DEPTH: (CWTB) 0.440 INCHES BOTH ENDS
COUNTERBORE NOMINAL DIAMETER: (CWTG) 5.140 INCHES BOTH ENDS
END NOMINAL DIAMETER: (CWWN) 5.738 INCHES FIRST END
END NOMINAL DIAMETER: (CWWN) 5.380 INCHES SECOND END
END NOMINAL LENGTH: (CWWH) 0.007 INCHES BOTH ENDS
FACE NOMINAL WIDTH: (CWRM) 0.840 INCHES
FIRST STEP NOMINAL DIAMETER: (CWXB) 6.140 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH: (CWWS) 0.281 INCHES BOTH ENDS
HARDNESS RATING: (CQFM) 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING: (CQFM) 81.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM TEETH
HUB STYLE DESIGNATOR: (CWTR) 1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) STEEL COMP E9310 OVERALL
MOUNTING HOLE TYPE AND QUANTITY: (CTQY) 18 THREADED AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE: (CQLT) 0.190 INCHES AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH: (CMLM) 32 AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR: (CMLK) UNF AXIALLY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.248 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.288 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER: (CWCD) 6.512 INCHES
NOMINAL OVERALL LENGTH: (CWFR) 1.376 INCHES
PITCH DIAMETER: (AGJS) 6.2500 INCHES NOMINAL
PRESSURE ANGLE: (CWPP) 22.5000 DEGREES
STYLE DESIGNATOR: (STYL) PROTRUDING HUBS
TEETH QUANTITY: (AJLA) 75
TOOTH FORM: (CWNH) STANDARD
III HARDNESS RATING: (CQFM) 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB
III MATERIAL: (MATT) STEEL COMP E9310 OVERALL
III HARDNESS RATING: (CQFM) 81.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM TEETH