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		                        | National Stock Number:
 3020-12-317-4825
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 123174825
 
 Description:
 GEAR,HELICAL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
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 Manufacturer Information:
 
 | 020.00085 ITEM 130 | D8266 | MTU FRIEDRICHSHAFEN GMBH |  | 5581810312 | 0141B | NAVANTIA, S.A., S.M.E. |  | 5581810312 | 409BB | NAVANTIA - PROPULSION Y ENERGIAMOTORES - CARTAGENA |  | 5581810312 | D8266 | MTU FRIEDRICHSHAFEN GMBH | 
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 Techincal Specification:
 
 | BORE NOMINAL DIAMETER | 46,0 MILLIMETERS BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE NOMINAL WIDTH | 15,0 MILLIMETERS |  | HARDNESS RATING | 58,0 ROCKWELL C MINIMUM TEETH AND 62,0 ROCKWELL C MAXIMUM TEETH |  | HELIX ANGLE | 11,2663 DEGREES |  | III MATERIAL | STEEL COMP 1.7131 OVERALL |  | PITCH DIAMETER | 204,468 MILLIMETERS NOMINAL |  | PRESSURE ANGLE | 20,0000 DEGREES |  | NOMINAL OUTSIDE DIAMETER | 212,3 MILLIMETERS |  | STYLE DESIGNATOR | HUBLESS |  | TEETH QUANTITY | 50 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | LEFT |  | TOOTH FORM | STANDARD | 
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