NSN 3020-00-800-0270, 3020008000270
GEAR,SPUR

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 008000270
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.

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DLMS^® Summary

National Stock Number 3020-00-800-0270

National Stock Number (NSN) 3020-00-800-0270, or NIIN 008000270, (gear,spur) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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 3020008000270 contains an unknown precious metal.

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 Aug 01, 2025.

Technical Characteristics

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
BORE STYLE: (ANTP) PLAIN BOTH ENDS
BODY RECESS NOMINAL DEPTH: (CWRB) 0.031 INCHES FIRST END
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL
III MATERIAL: (MATT) STEEL COMP 416 OVERALL
MATERIAL: (MATT) STEEL COMP 416 OVERALL
ATTACHMENT METHOD: (ABSX) MOUNTING HOLE
BODY RECESS NOMINAL DEPTH: (CWRB) UNABLE TO DECODE
BODY STYLE: (AAQL) WEBBED, OFFSET, SOLID
BORE NOMINAL DIAMETER: (CWRS) UNABLE TO DECODE
BORE STYLE: (ANTP) UNABLE TO DECODE
FACE NOMINAL WIDTH: (CWRM) 0.095 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
PITCH DIAMETER: (AGJS) 0.4166 INCHES NOMINAL
MATERIAL: (MATT) UNABLE TO DECODE
MOUNTING HOLE TYPE AND QUANTITY: (CTQY) UNABLE TO DECODE
NOMINAL OUTSIDE DIAMETER: (CWCD) 0.470 INCHES
PRECISION CLASSIFICATION: (CWWK) QUALITY NUMBER 12
PRESSURE ANGLE: (CWPP) 14.5000 DEGREES
STYLE DESIGNATOR: (STYL) HUBLESS, RECESSED BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) UNABLE TO DECODE
SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
TEETH QUANTITY: (AJLA) 20
TOOTH FORM: (CWNH) STANDARD
BORE NOMINAL DIAMETER: (CWRS) 0.156 INCHES BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY: (CTQY) 1 COUNTERBORED AXIALLY THROUGH BODY, SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL