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NSN 3020-00-396-0921, 3020003960921
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 003960921
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 3020-00-396-0921

National Stock Number (NSN) 3020-00-396-0921, or NIIN 003960921, (gear,helical) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers 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) 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 3020003960921 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 .


Technical Characteristics

BORE STYLE
(ANTP) 10A W/ KEYWAY BOTH ENDS
III MATERIAL
(MATT) IRON CAST OVERALL
ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY RECESS NOMINAL DEPTH
(CWRB) 0.313 INCHES SECOND END
BODY STYLE
(AAQL) SPOKED
BOLT HOLE CIRCLE NOMINAL DIAMETER
(CWZN) 1.562 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER
(CWRS) 1.004 INCHES BOTH ENDS
BORE STYLE
(ANTP) W/ KEYWAY BOTH ENDS
COUNTERBORE NOMINAL DIAMETER
(CWTG) 2.249 INCHES SECOND END
COUNTERBORE NOMINAL DEPTH
(CWTB) 0.3437 INCHES SECOND END
FACE NOMINAL WIDTH
(CWRM) 0.875 INCHES
HELIX ANGLE
(CWPZ) 31.6667 DEGREES
HUB STYLE DESIGNATOR
(CWTR) PLAIN FIRST END
HUB NOMINAL DIAMETER
(CWTX) 2.625 INCHES FIRST END
KEYWAY NOMINAL WIDTH
(CWSN) 0.156 INCHES BOTH ENDS
MATERIAL
(MATT) IRON CAST OVERALL
MOUNTING HOLE NOMINAL DIAMETER
(CWZK) 0.328 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 4 PLAIN AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.088 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
(CWSR) 0.590 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER
(CWCD) 6.316 INCHES
NOMINAL OVERALL LENGTH
(CWFR) 0.969 INCHES
PITCH DIAMETER
(AGJS) 6.1680 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 14.5000 DEGREES
SPECIAL FEATURES
(FEAT) MOUNTING HOLES 90 DEGREES APART
TOOTH FORM
(CWNH) STANDARD
TOOTH DIRECTION
(CWNM) RIGHT
STYLE DESIGNATOR
(STYL) PROTRUDING HUB, RECESSED BODY
TEETH QUANTITY
(AJLA) 42
TEETH TYPE
(CWMW) SINGLE HELIX

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