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National Stock Number:
3020-00-905-0037
Federal Supply Class:
3020
National Item Identification Number:
009050037
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:
| 10949940 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 0.750 INCHES BOTH ENDS | | BORE STYLE | W/COUNTERBORE BOTH ENDS | | COUNTERBORE NOMINAL DEPTH | 0.3125 INCHES SECOND END | | COUNTERBORE NOMINAL DEPTH | 1.375 INCHES FIRST END | | END NOMINAL LENGTH | 0.9408 INCHES SECOND END | | FACE NOMINAL WIDTH | 0.750 INCHES | | FEATURES PROVIDED | CASEHARDENED | | FIRST STEP NOMINAL LENGTH | 0.700 INCHES FIRST END | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH | | HUB STYLE DESIGNATOR | 2 STEPS BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI/SAE 4620H FED STD 1ST MATERIAL RESPONSE AND FED STD 66,AISI/SAE 5120H FED STD 2ND MATERIAL RESPONSE AND FED STD 66,AISI/SAE 8617H FED STD 3RD MATERIAL RESPONSE OVERALL | | PITCH DIAMETER | 5.1250 INCHES NOMINAL | | MATERIAL | STEEL COMP 4620H AND STEEL COMP 5120H AND STEEL COMP 8617H OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.8125 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.375 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 4.938 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | SECOND STEP NOMINAL DIAMETER | 1.7812 INCHES SECOND END | | SECOND STEP NOMINAL DIAMETER | 2.625 INCHES FIRST END | | SECOND STEP NOMINAL LENGTH | 0.2812 INCHES SECOND END | | SPECIAL FEATURES | COUNTERBORE DIAMETER FIRST END 1.501MIN 1.503MAX, SECOND END 0.7656MIN 0.7969MAX IN.; OUTSIDE DIAMETER 5.265MIN 5.275MAX IN.; BORE PROVISION INCLUDED; BORE LENGTH 4.938 IN.; HUB END DIAMETER FIRST END 2.245MIN 2.255MAX, SECOND END 1.498MIN 1.502MAX IN.; FIRST END HUB END LENGTH 1.4612MIN 1.4662MAX IN.; FIRST STEP DIAMETER FIRST END 2.361MIN 2.3616MAX, SECOND END 1.5736MIN 1.5743MAX IN.; FIRST END LENGTH OF SECOND STEP 0.2088MIN 0.2138MAX IN.; CIRCULAR PITCH 0.3927 IN.; STYLE:PLAIN,PROTRUDING HUBS,ONE HUB LARGER DIAMETER | | TEETH QUANTITY | 41 | | TOOTH FORM | STANDARD |
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