3040-00-815-7839 GEARSHAFT,SPUR Index 3020-00-815-7841 GEAR CLUSTER

National Stock Number:
3020-00-815-7840

Federal Supply Class:
3020

National Item Identification Number:
008157840

Description:
GEAR CLUSTER

Detail:
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.


Manufacturer Information:
62891506481NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BACKLASH DESIGNATIONGRADE C ALL GEARS
CONSTRUCTIONSOLID
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL LENGTH0.107 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.149 INCHES FIRST END
HUB NOMINAL LENGTH0.202 INCHES SECOND END
HUB NOMINAL DIAMETER0.093 INCHES BOTH ENDS
HUB NOMINAL DIAMETER0.100 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.149 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.866 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.690 INCHES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PRECISION CLASSIFICATIONQUALITY NUMBER 12 ALL GEARS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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