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NSN 3020-00-937-8484, 3020009378484
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 009378484
Codification Country
United States
Item Name Code
INC 05464
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 3020-00-937-8484

National Stock Number (NSN) 3020-00-937-8484, or NIIN 009378484, (gear,helical) was assigned May 7, 1972 in the Federal Logistics Information System (FLIS). NIIN 009378484 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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) 05464. [A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:]. 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 3020009378484 does not contain precious metals.

This information was last updated on .

Technical Characteristics

PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
FIRST STEP NOMINAL DIAMETER
(CWXB) 0.984 INCHES FIRST END
MATERIAL
(MATT) STEEL OVERALL
END NOMINAL LENGTH
(CWWH) 0.590 INCHES SECOND END
III MATERIAL
(MATT) STEEL OVERALL
HARDNESS RATING
(CQFM) 50.0 ROCKWELL C NOMINAL TEETH
FACE NOMINAL WIDTH
(CWRM) 0.500 INCHES
END NOMINAL DIAMETER
(CWWN) 0.873 INCHES FIRST END
END NOMINAL DIAMETER
(CWWN) 0.984 INCHES SECOND END
FIRST STEP NOMINAL LENGTH
(CWWS) 0.450 INCHES SECOND END
FIRST STEP NOMINAL DIAMETER
(CWXB) 1.200 INCHES SECOND END
SECOND STEP NOMINAL LENGTH
(CWXG) 0.115 INCHES FIRST END
HELIX ANGLE
(CWPZ) 23.9184 DEGREES
SURFACE TREATMENT
(SFTT) CADMIUM HUB AND CHROMATE HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE HUB
BODY STYLE
(AAQL) WEBBED, WITH LIGHTENING HOLES
PITCH DIAMETER
(AGJS) 4.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.564 INCHES
TOOTH FORM
(CWNH) STANDARD
END NOMINAL LENGTH
(CWWH) 0.350 INCHES FIRST END
SECOND STEP NOMINAL DIAMETER
(CWXL) 1.200 INCHES FIRST END
NOMINAL OVERALL LENGTH
(CWFR) 2.480 INCHES
FIRST STEP NOMINAL LENGTH
(CWWS) 0.590 INCHES FIRST END
HUB STYLE DESIGNATOR
(CWTR) 2 STEPS BOTH ENDS
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 1.125 INCHES BOTH ENDS
TEETH QUANTITY
(AJLA) 99
TEETH TYPE
(CWMW) SINGLE HELIX

Manufacturer Part Numbers

1539753

3020009378484

009378484

009378484


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