3040-00-671-5104 GEARSHAFT,SPUR Index 6650-00-671-5106 LENS,OPTICAL INSTRUMENT

National Stock Number:
3020-00-671-5105

Federal Supply Class:
3020

National Item Identification Number:
006715105

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:
208053710001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BACKLASH DESIGNATIONGRADE D ALL GEARS
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL LENGTH0.120 INCHES FIRST END
HUB NOMINAL DIAMETER0.250 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIALCOPPER ALLOY SECOND GEAR
MATERIALSTEEL COMP 303 FIRST GEAR
NOMINAL OUTSIDE DIAMETER1.239 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.332 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.384 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 15 ALL GEARS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE FIRST GEAR
SURFACE TREATMENTPASSIVATE FIRST GEAR


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