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NSN 3020-00-274-2906, 3020002742906
Cancelled -> Replaced by 2805007741415

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 002742906
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 3020-00-274-2906

National Stock Number (NSN) 3020-00-274-2906, or NIIN 002742906, (gear,helical) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2805007741415.

There are 3 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 Sep 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 3020002742906 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

BODY STYLE
(AAQL) PLAIN, SOLID
BORE NOMINAL DIAMETER
(CWRS) 1.250 INCHES BOTH ENDS
BORE STYLE
(ANTP) W/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 1.062 INCHES
HARDNESS RATING
(CQFM) 86.0 ROCKWELL B MINIMUM OVERALL AND 97.0 ROCKWELL B MAXIMUM OVERALL
HELIX ANGLE
(CWPZ) 29.0000 DEGREES
HUB STYLE DESIGNATOR
(CWTR) PLAIN FIRST END
HUB NOMINAL DIAMETER
(CWTX) 2.750 INCHES FIRST END
KEYWAY NOMINAL WIDTH
(CWSN) 0.189 INCHES BOTH ENDS
MATERIAL
(MATT) IRON CAST OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.1350 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
(CWSR) 0.7229 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER
(CWCD) 3.3985 INCHES
PITCH DIAMETER
(AGJS) 3.2015 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 14.5000 DEGREES
SPECIAL FEATURES
(FEAT) TWO PULLER HOLES,TIMING MARK 51 DEG 58 MIN PLUS OR MINUS 30 MIN CCW FROM CENTER LINE OF KEYWAY ON CENTER LINE OF TOOTH SPACE
TOOTH DIRECTION
(CWNM) LEFT
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUB
TEETH QUANTITY
(AJLA) 28
TEETH TYPE
(CWMW) SINGLE HELIX
BORE STYLE
(ANTP) 10A W/ KEYWAY BOTH ENDS
III MATERIAL
(MATT) IRON CAST OVERALL

Manufacturer Part Numbers


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01-154-280
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Condition FN
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