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National Stock Number:
3020-00-196-2104
Federal Supply Class:
3020
National Item Identification Number:
001962104
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:
| 131321-1 | 24930 | L3HARRIS TECHNOLOGIES, INC |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.250 INCHES | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL DIAMETER | 0.503 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 416 BODY | | MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 INCHES TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.562 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 4.495 INCHES | | PITCH DIAMETER | 4.0000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 20 | | TOOTH FORM | STANDARD |
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