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National Stock Number:
3020-01-119-0938
Federal Supply Class:
3020
National Item Identification Number:
011190938
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:
| 247765-1 | 82106 | PARKER-HANNIFIN CORPORATION | | S9716AR0029 | 00328 | DESIGNATRONICS INCORPORATED |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.135 INCHES | | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 416 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 416 OVERALL | | MOUNTING HOLE NOMINAL DIAMETER | 0.110 INCHES TRANSVERSELY THROUGH HUB FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.255 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 0.390 INCHES | | NOMINAL OUTSIDE DIAMETER | 2.0417 INCHES | | PITCH DIAMETER | 2.0000 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 13 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 96 | | TOOTH FORM | STANDARD |
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