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NSN 3020-00-270-8340, 3020002708340
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 002708340
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 3020-00-270-8340

National Stock Number (NSN) 3020-00-270-8340, or NIIN 002708340, (gear,helical) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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) 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 3020002708340 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) STEEL COMP 3140 OVERALL
ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY STYLE
(AAQL) PLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER
(CWZN) 2.500 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER
(CWRS) 1.375 INCHES BOTH ENDS
BORE STYLE
(ANTP) W/ KEYWAY BOTH ENDS
END NOMINAL DIAMETER
(CWWN) 1.9681 INCHES FIRST END
END NOMINAL LENGTH
(CWWH) 0.7187 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 1.344 INCHES
FIRST STEP NOMINAL DIAMETER
(CWXB) 2.375 INCHES FIRST END
FIRST STEP NOMINAL LENGTH
(CWWS) 0.5938 INCHES FIRST END
HELIX ANGLE
(CWPZ) 16.2166 DEGREES
HUB STYLE DESIGNATOR
(CWTR) 1 STEP FIRST END
KEYWAY NOMINAL WIDTH
(CWSN) 0.251 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 3140 OVERALL
MOUNTING HOLE NOMINAL THREAD SIZE
(CQLT) 0.375 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH
(CMLM) 16 AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR
(CMLK) UNC AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 3 THREADED AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 1.313 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
(CWSR) 0.8095 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER
(CWCD) 3.9225 INCHES
SPECIAL FEATURES
(FEAT) 2 PULLER HOLES 90 DEG FROM KEYWAY ON HUB END,1/2-13 THD SIZE BY 5/8 IN. DEEP; COUNTERBORE 2ND END,0.500 IN. DEEP BY 1.7505 IN. DIA
PITCH DIAMETER
(AGJS) 3.7029 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 14.5000 DEGREES
TOOTH DIRECTION
(CWNM) RIGHT
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUB
TEETH QUANTITY
(AJLA) 32
TEETH TYPE
(CWMW) SINGLE HELIX

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