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		                        | National Stock Number:
 3020-99-125-9987
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 991259987
 
 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.
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 Manufacturer Information:
 
 | MBEU145621 | 1RMW2 | MARTIN-BAKER AMERICA INC |  | MBEU145621 | U1604 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED | 
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 Techincal Specification:
 
 | BORE STYLE | PLAIN |  | BORE NOMINAL DIAMETER | 0.126 INCHES |  | III MATERIAL | STEEL CORROSION RESISTING |  | NOMINAL OUTSIDE DIAMETER | 0.627 INCHES |  | NOMINAL OVERALL LENGTH | 0.328 INCHES |  | SPECIAL FEATURES | FLIGHT SAFETY CRITICAL;12 TEETH AND 10 TEETH:0.2083IN. PCD | 
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