5360-00-901-1752 SPRING,HELICAL,COMPRESSION Index 1005-00-901-1754 TACHOMETER ASSEMBLY

National Stock Number:
3020-00-901-1753

Federal Supply Class:
3020

National Item Identification Number:
009011753

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:
3020009011753SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
843698619204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER1.2452 INCHES BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
FURNISHED ITEMS AND QUANTITY1 EXTERNALLY LUBRICATED BEARING
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM TEETH
HUB NOMINAL LENGTH0.0600 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER1.7400 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL OVERALL LENGTH1.506 INCHES
NOMINAL OUTSIDE DIAMETER2.5610 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER2.5805 INCHES FIRST GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL


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