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National Stock Number:
3020-00-398-0615
Federal Supply Class:
3020
National Item Identification Number:
003980615
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:
| 116120 | 88818 | KEARFOTT CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | STEEL COMP 1118 HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B121-51T,ALLOY 4,COND H ASSN STD SINGLE MATERIAL RESPONSE BODY | | 66 FED STD SINGLE MATERIAL RESPONSE HUB | | TEETH QUANTITY | 64 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 14.5000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 1.1560 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.1870 INCHES | | FACE NOMINAL WIDTH | 0.064 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.217 INCHES FIRST END | | 0.031 INCHES SECOND END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END | | 0.375 INCHES SECOND END | | CLAMPING SURFACE NOMINAL LENGTH | 0.206 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP |
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