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National Stock Number:
3020-01-121-4956
Federal Supply Class:
3020
National Item Identification Number:
011214956
Description:
GEAR,SPUR
Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
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Manufacturer Information:
| 10106656 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 132D1701 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND | | AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | TEETH QUANTITY | 40 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 3.2031 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 3.996 INCHES | | FACE NOMINAL WIDTH | 0.240 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.660 INCHES FIRST END | | 0.028 INCHES SECOND END | | BORE STYLE | INVOLUTE SPLINE BOTH ENDS | | BORE NOMINAL DIAMETER | 0.631 INCHES BOTH ENDS | | SPLINE QUANTITY | 18 BOTH ENDS | | SPLINE PITCH DIAMETER | 0.5625 INCHES NOMINAL BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | HUB NOMINAL DIAMETER | 0.874 INCHES FIRST END | | 0.828 INCHES SECOND END | | BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
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