NSN 3020-00-678-2997, 3020006782997
GEAR,HELICAL

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 006782997
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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 3020-00-678-2997

National Stock Number (NSN) 3020-00-678-2997, or NIIN 006782997, (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 no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

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 3020006782997 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 Sep 01, 2024.

Technical Characteristics

MATERIAL: (MATT) STEEL COMP 8620 OVERALL OR STEEL COMP 8622 OVERALL
BODY STYLE: (AAQL) WEBBED, OFFSET, SOLID
BORE NOMINAL DIAMETER: (CWRS) 1.332 INCHES BOTH ENDS
BORE STYLE: (ANTP) INVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH: (CWRM) 1.250 INCHES
HARDNESS RATING: (CQFM) 25.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM BODY
HARDNESS RATING: (CQFM) 60.0 ROCKWELL C NOMINAL HUB
HELIX ANGLE: (CWPZ) 25.6000 DEGREES
HUB NOMINAL DIAMETER: (CWTX) 1.660 INCHES FIRST END
HUB STYLE DESIGNATOR: (CWTR) PLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 66 SAE 8620H FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL: (MATT) STEEL COMP 8620 OR STEEL COMP 8622 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.050 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: (CWQL) 0.191 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER: (CWCD) 3.097 INCHES
NOMINAL OVERALL LENGTH: (CWFR) 1.491 INCHES
PITCH DIAMETER: (AGJS) 2.8164 INCHES NOMINAL
PRESSURE ANGLE: (CWPP) 20.0000 DEGREES
SPECIAL FEATURES: (FEAT) SPLINE MINOR DIA 1.680 IN.
TOOTH DIRECTION: (CWNM) RIGHT
TOOTH FORM: (CWNH) STANDARD
SPLINE PITCH DIAMETER: (BDTX) 1.2500 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY: (ABSA) 15 BOTH ENDS
STYLE DESIGNATOR: (STYL) PROTRUDING HUBS
TEETH TYPE: (CWMW) SINGLE HELIX
TEETH QUANTITY: (AJLA) 20
III MATERIAL: (MATT) STEEL COMP 8620 OR STEEL COMP 8622 OVERALL