3020-01-042-0354 GEAR,SPUR Index 6625-01-042-0357 AMMETER

National Stock Number:
3020-01-042-0355

Federal Supply Class:
3020

National Item Identification Number:
010420355

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:
69692849956RAYTHEON COMPANY
696928-13B150RAYTHEON COMPANY
696928-149956RAYTHEON COMPANY
696928-154X10RAYTHEON COMPANY


Techincal Specification:
MATERIALSTEEL COMP 303 SHAFT/HUB
COPPER ALLOY 903 OR
PLASTIC ACETAL FIRST GEAR
STEEL COMP 303 SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
MIL-B-16540,GRADE A MIL SPEC 1ST MATERIAL RESPONSE FIRST GEAR
QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENTPASSIVATE SHAFT/HUB
PASSIVATE SECOND GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE SHAFT/HUB
MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.763 INCHES FIRST GEAR
0.515 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.870 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 12 ALL GEARS
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
HUB NOMINAL LENGTH0.197 INCHES FIRST END
0.205 INCHES SECOND END
HUB NOMINAL DIAMETER0.188 INCHES BOTH ENDS
SPECIAL FEATURESFIRST GEAR RIVETED TOGETHER


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