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		                        | National Stock Number:
 3020-00-338-9583
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003389583
 
 Description:
 GEAR,WORM WHEEL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.
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 Manufacturer Information:
 
 | 3107727PC83 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 3107731PC83 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | G16933PC98 | 16712 | SIEMENS ENERGY, INC. |  | SG2557PC83 | 16712 | SIEMENS ENERGY, INC. |  | SG2557PC83 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |  | DE1006S4200H1222720PC98 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | W50AZX22 | 15330 | IMO INDUSTRIES INC DELROYD WORM GEAR DIV |  | W50AZX22 | 16712 | SIEMENS ENERGY, INC. |  | SG3658PC45 | 16712 | SIEMENS ENERGY, INC. |  | SG2561PC83 | 16712 | SIEMENS ENERGY, INC. |  | SG2914PC98 | 16712 | SIEMENS ENERGY, INC. |  | SG2914PC98 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |  | SG2561PC83 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |  | SG3658PC45 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, WITH LIGHTENING HOLES |  | BORE NOMINAL DIAMETER | 1.874 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 1.125 INCHES |  | FACE TYPE | CONCAVE |  | HELIX ANGLE | 17.2333 DEGREES |  | HUB NOMINAL DIAMETER | 2.875 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.374 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16540,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY 903 OVERALL |  | PITCH DIAMETER | 5.4850 INCHES NOMINAL |  | MATING THREAD LEAD QUANTITY | 3 |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.139 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES SECOND END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.656 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 6.000 INCHES |  | PRESSURE ANGLE | 27.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 35 |  | THROAT NOMINAL RADIUS | 0.606 INCHES |  | TOOTH DIRECTION | RIGHT | 
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