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National Stock Number:
3020-00-353-8261
Federal Supply Class:
3020
National Item Identification Number:
003538261
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:
| 3239342 | 55380 | HATCH & KIRK, INC. | | 3239342 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 81125S41-20571PCA | 53711 | NAVAL SEA SYSTEMS COMMAND | | 81127S41-20571PCA | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES | | BORE NOMINAL DIAMETER | 3.3475 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | END NOMINAL DIAMETER | 5.370 INCHES FIRST END | | END NOMINAL LENGTH | 1.625 INCHES FIRST END | | FACE NOMINAL WIDTH | 2.500 INCHES | | FIRST STEP NOMINAL DIAMETER | 6.500 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 0.750 INCHES FIRST END | | HARDNESS RATING | 8.0 ROCKWELL C NOMINAL OVERALL | | HELIX ANGLE | 14.9167 DEGREES | | HUB STYLE DESIGNATOR | 1 STEP FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1035 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.375 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 13.6857 INCHES | | PITCH DIAMETER | 13.4000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | COUNTERWEIGHT AND RIVETS,FIG 4,152 DEG 34 MIN FROM CENTER LINE AND CENTER OF WT HOLE,FIG 3,67 DEG 10 MIN FROM FIG 4,HUB DRILLED FOR LUBRICATION,FOUR 0.500-20 THD HOLES ON FACE OF HUB 2ND END,ONE GROOVE 4.870 IN. DIA 0.500 IN. W ON HUB 2ND END | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 67 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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