3020-00-407-6620 GEAR,SPUR Index 3020-00-407-6622 GEAR,SPUR

National Stock Number:
3020-00-407-6621

Federal Supply Class:
3020

National Item Identification Number:
004076621

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:
216304810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
L31002936536090LOCKHEED MARTIN LIBRASCOPE CORP


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL LENGTH0.203 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.375 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 416/SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL OUTSIDE DIAMETER0.456 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.539 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.391 INCHES
SURFACE TREATMENTPASSIVATE OVERALL


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