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National Stock Number:
3020-00-446-9989
Federal Supply Class:
3020
National Item Identification Number:
004469989
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:
| 2R602PC27 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 838-739-041 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 838-739-041 AND 838-740-041 | 0DFD9 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 838-739-041AND838-740-041 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 838-740-041 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BODY RECESS NOMINAL DEPTH | 1.125 INCHES FIRST END | | BODY STYLE | WEBBED, OFFSET, WITH LIGHTENING HOLES | | BORE NOMINAL DIAMETER | 3.625 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 1.750 INCHES | | HARDNESS RATING | 293.0 BRINELL STANDARD MINIMUM AND 331.0 BRINELL STANDARD MAXIMUM OVERALL | | HELIX ANGLE | 23.9000 DEGREES | | MATERIAL | STEEL OVERALL | | MOUNTING HOLE NOMINAL THREAD SIZE | 0.500 INCHES AXIALLY THROUGH BODY FIRST END | | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY FIRST END | | NOMINAL OUTSIDE DIAMETER | 7.200 INCHES | | PITCH DIAMETER | 7.0000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | HUBLESS, RECESSED BODY | | TEETH QUANTITY | 64 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD |
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