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National Stock Number:
3020-00-517-2912
Federal Supply Class:
3020
National Item Identification Number:
005172912
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:
| 315401 | 21444 | REXNORD INDUSTRIES LLC | | NH6264BPC74 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | NH6424PC74 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | NH6264BPC74 | 82328 | DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE | | NH6264BPC74 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | NH6264BPC74 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP | | NH6424PC74 | 82328 | DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE |
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Techincal Specification:
| COUNTERBORE NOMINAL DIAMETER | 2.1880 INCHES SECOND END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 2.250 INCHES FIRST END | | BODY STYLE | PLAIN, SOLID | | FEATURES PROVIDED | TAPERED KEYWAY | | SPECIAL FEATURES | SECOND END COUNTEBORED; 2.1880 IN. DIA; 0.3750 IN. DP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 21444 | | DESIGN CONTROL REFERENCE | 315401 | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,ALLOY NO. 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 335.0 BRINELL STANDARD MINIMUM AND | | 375.0 BRINELL STANDARD MAXIMUM OVERALL | | TEETH QUANTITY | 27 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT | | PRESSURE ANGLE | 14.5000 DEGREES | | HELIX ANGLE | 30.0483 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 2.7220 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 2.8940 INCHES | | FACE NOMINAL WIDTH | 1.250 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | BORE STYLE | TAPERED W/KEYWAY BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.3130 INCHES BOTH ENDS | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.8732 INCHES FIRST END | | TAPER MAJOR NOMINAL DIAMETER | 1.3700 INCHES FIRST END |
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