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NSN 3020-00-273-1391, 3020002731391
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 002731391
Codification Country
United States
Item Name Code
INC 05466
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 3020-00-273-1391

National Stock Number (NSN) 3020-00-273-1391, or NIIN 002731391, (gear,spur) 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.

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. (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) 05466. [A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.]. 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 3020002731391 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 HARDNESS RATING
(CQFM) 27.6 ROCKWELL C NOMINAL HUB
BODY STYLE
(AAQL) WEBBED, SOLID
BORE NOMINAL DIAMETER
(CWRS) 1.6245 INCHES BOTH ENDS
BORE STYLE
(ANTP) STRAIGHT SPLINE BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 1.2500 INCHES
HARDNESS RATING
(CQFM) 27.6 ROCKWELL C NOMINAL HUB
HARDNESS RATING
(CQFM) 32.1 ROCKWELL C NOMINAL TEETH
HUB STYLE DESIGNATOR
(CWTR) PLAIN BOTH ENDS
HUB NOMINAL DIAMETER
(CWTX) 2.5000 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4140 OVERALL
NOMINAL OUTSIDE DIAMETER
(CWCD) 6.1979 INCHES
PITCH DIAMETER
(AGJS) 5.9989 INCHES MINIMUM AND 5.9990 INCHES MAXIMUM
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 12
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
TOOTH FORM
(CWNH) STANDARD
SPLINE QUANTITY
(ABSA) 6 BOTH ENDS
STYLE DESIGNATOR
(STYL) FLUSH HUB
TEETH QUANTITY
(AJLA) 60
III MATERIAL
(MATT) STEEL COMP 4140 OVERALL
III HARDNESS RATING
(CQFM) 32.1 ROCKWELL C NOMINAL TEETH

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