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National Stock Number:
3020-00-942-3094
Federal Supply Class:
3020
National Item Identification Number:
009423094
Description:
GEAR,ANTIBACKLASH,SPUR
Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
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Manufacturer Information:
| 101855 | 10138 | ASTRONAUTICS CORPORATION OF AMERICA |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FURNISHED ITEMS AND QUANTITY | 2 SETSCREW | | FACE NOMINAL WIDTH | 0.156 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.062 INCHES SECOND END | | NOMINAL OUTSIDE DIAMETER | 1.021 INCHES | | PITCH DIAMETER | 1.0000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | MTG HOLES 120 DEG APART | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 96 | | TOOTH FORM | STANDARD |
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