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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:
| MATERIAL | STEEL COMP 302 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 96 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 1.0000 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.021 INCHES | | FACE NOMINAL WIDTH | 0.156 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.062 INCHES SECOND END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PINNED FIRST END | | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | FURNISHED ITEMS AND QUANTITY | 2 SETSCREW | | SPECIAL FEATURES | MTG HOLES 120 DEG APART |
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