GEAR
P/N 139008-01
NSN 3020 00 055 8554
MFG GE AVIATION
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   GEAR CLUSTER
DEFINITION:  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.
            
 
CHARACTERISTIC                          VALUE
ATTACHMENT METHOD                       MOUNTING HOLE                                    
III END ITEM IDENTIFICATION             AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130)    
BORE STYLE                              PLAIN BOTH ENDS                                  
DESIGN TYPE                             HELICAL FIRST GEAR SPUR SECOND GEAR              
CONSTRUCTION                            ASSEMBLED                                        
CRITICALITY CODE                        FEAT                                             
JUSTIFICATION                                                                            
NOMINAL OUTSIDE DIAMETER                0.8623 INCHES FIRST GEAR 0.361 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH                  0.2675 INCHES                                    
BORE NOMINAL DIAMETER                   0.094 INCHES BOTH ENDS                           
PRECISION CLASSIFICATION                QUALITY NUMBER 10 OR QUALITY NUMBER 11 ALL GEARS 
SPECIAL FEATURES                        WEAPON SYSTEM ESSENTIAL                          
III MATERIAL                            COPPER ALLOY 642 SHAFT/HUB PLASTIC ACETAL FIRST  
                                        GEAR COPPER ALLOY 642 SECOND GEAR                
MATERIAL DOCUMENT AND                   QQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE
CLASSIFICATION                          SHAFT/HUB L-P-392,TYPE 2,CLASS 1 FED SPEC SINGLE 
                                        MATERIAL RESPONSE FIRST GEAR QQ-B-679,COMP 1 FED 
                                        SPEC SINGLE MATERIAL