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NSN 3020-00-274-2971, 3020002742971
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 002742971
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 3020-00-274-2971

National Stock Number (NSN) 3020-00-274-2971, or NIIN 002742971, (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. One of those 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 3020002742971 does not contain precious metals.

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

III MATERIAL
(MATT) STEEL COMP 1045 OVERALL
BODY STYLE
(AAQL) WEBBED, SOLID
BORE NOMINAL DIAMETER
(CWRS) 1.493 INCHES BOTH ENDS
BORE STYLE
(ANTP) PLAIN BOTH ENDS
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 EXTERNALLY LUBRICATED BEARING
FACE NOMINAL WIDTH
(CWRM) 1.250 INCHES
HARDNESS RATING
(CQFM) 82.9 ROCKWELL B MINIMUM AND 96.4 ROCKWELL B MAXIMUM TEETH
HELIX ANGLE
(CWPZ) 25.5439 DEGREES
HUB NOMINAL DIAMETER
(CWTX) 2.500 INCHES FIRST END
HUB NOMINAL DIAMETER
(CWTX) 2.500 INCHES SECOND END
HUB STYLE DESIGNATOR
(CWTR) PLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 1045 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.3038 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER
(CWCD) 5.826 INCHES
PITCH DIAMETER
(AGJS) 5.5420 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
TEETH QUANTITY
(AJLA) 35
TEETH TYPE
(CWMW) SINGLE HELIX
TOOTH DIRECTION
(CWNM) RIGHT
TOOTH FORM
(CWNH) STANDARD

Manufacturer Part Numbers


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