2520-00-447-2221 GEAR,TRANSMISSION Index 3020-00-447-2238 GEAR,HELICAL

National Stock Number:
3020-00-447-2222

Federal Supply Class:
3020

National Item Identification Number:
004472222

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:
20416512603CLARK EQUIPMENT CO
20416589749CLARK MATERIAL HANDLING COMPANY
209553323862MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02
209553324617GENERAL MOTORS CORP
66703556442DIAMOND REO TRUCK CO
20955337X677GENERAL MOTORS LLC
T93-21-208018BORG-WARNER CORP
839326319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
WT-215-15D31204PERFECTION CLUTCH
66703558275SASCO INC CANADIAN DIV
T93-21-279410LIBERTY VENTURES INTI LLC
TG698435MARMON GROUP INC THE ACTIVE GEAR CO DIV


Techincal Specification:
BORE NOMINAL DIAMETER1.469 INCHES BOTH ENDS
BORE STYLESTRAIGHT SPLINE BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 63.00 ROCKWELL C MAXIMUM TEETH
HUB NOMINAL LENGTH0.156 INCHES FIRST END
HUB NOMINAL LENGTH0.300 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER1.8750 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIALSTEEL COMP 4620 OVERALL
NOMINAL OUTSIDE DIAMETER2.3750 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER2.375 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH1.246 INCHES
SPECIAL FEATURESGRELIEVE TEETH ON COAST SIDE 0.014-0.016 IN. EXCEPT ONE SEGMENT OF THREE NATURAL TEETH IN EACH GEAR,BORE BROACH 1.4265 IN. DIA,15 DEG 0.078 TOP,0.109 BOTTOM ON EACH HOLE
SPLINE QUANTITY10 SECOND END


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