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		                        | National Stock Number:
 3020-00-338-9570
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003389570
 
 Description:
 GEAR,WORM
 
 Detail:
 A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.
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 Manufacturer Information:
 
 | DD423S47-33PC65 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | DD423S47-47PC65 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | G15126PC131 | 15330 | IMO INDUSTRIES INC DELROYD WORM GEAR DIV |  | G15126PC131 | 16712 | SIEMENS ENERGY, INC. |  | G7122PC65 | 16712 | SIEMENS ENERGY, INC. |  | DD453S47-025PC65 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | G7188PC65 | 15330 | IMO INDUSTRIES INC DELROYD WORM GEAR DIV |  | G7188PC65 | 16712 | SIEMENS ENERGY, INC. |  | LC264B | 16712 | SIEMENS ENERGY, INC. |  | H3115015REV2PC131 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | BORE NOMINAL DIAMETER | 1.625 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 3.250 INCHES |  | FACE TYPE | STRAIGHT |  | HELIX ANGLE | 37.5665 DEGREES |  | KEYWAY NOMINAL WIDTH | 0.375 INCHES BOTH ENDS |  | PITCH DIAMETER | 2.6820 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.970 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 3.008 INCHES |  | STYLE DESIGNATOR | HUBLESS |  | THREAD FORM DIRECTION | LEFT-HAND |  | THREAD FORM QUANTITY | 10 | 
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