NSN 3020-00-904-7379, 3020009047379
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 009047379
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 3020-00-904-7379

National Stock Number (NSN) 3020-00-904-7379, or NIIN 009047379, (gear,spur) was assigned January 1, 1960 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, 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 3020009047379 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

TOOTH FORM: (CWNH) STANDARD
PRESSURE ANGLE: (CWPP) 20.0000 DEGREES
FIRST STEP NOMINAL LENGTH: (CWWS) 0.187 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER: (CWCD) 4.061 INCHES
FACE NOMINAL WIDTH: (CWRM) 0.250 INCHES
END NOMINAL DIAMETER: (CWWN) 2.999 INCHES FIRST END
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL
BORE STYLE: (ANTP) PLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY: (CTQY) 3 THREADED AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.422 INCHES FIRST END
END NOMINAL LENGTH: (CWWH) 0.234 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER: (CWXB) 3.125 INCHES FIRST END
SPECIAL FEATURES: (FEAT) EIGHT THD HOLES,NO.8/0.164 IN.-32 THD SIZE EQUALLY SPACED TAPPED 0.375 IN.DEEP ON HUB END ON A 2.625 IN.DIA BOLT CIRCLE
BODY STYLE: (AAQL) PLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER: (CWZN) 3.500 INCHES AXIALLY THROUGH BODY, FIRST END
ATTACHMENT METHOD: (ABSX) MOUNTING HOLE
HUB STYLE DESIGNATOR: (CWTR) 1 STEP FIRST END
TEETH QUANTITY: (AJLA) 128
MOUNTING HOLE THREAD SERIES DESIGNATOR: (CMLK) UNF AXIALLY THROUGH BODY, FIRST END
PRECISION CLASSIFICATION: (CWWK) QUALITY NUMBER 10
STYLE DESIGNATOR: (STYL) PROTRUDING HUB
MOUNTING HOLE NOMINAL THREAD SIZE: (CQLT) 0.190 INCHES AXIALLY THROUGH BODY, FIRST END
BACKLASH DESIGNATION: (BDZQ) GRADE C
BORE NOMINAL DIAMETER: (CWRS) 2.250 INCHES BOTH ENDS
MATERIAL: (MATT) STEEL COMP 303 OVERALL
PITCH DIAMETER: (AGJS) 4.0000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
III MATERIAL: (MATT) STEEL COMP 303 OVERALL