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National Stock Number:
3020-01-255-4416
Federal Supply Class:
3020
National Item Identification Number:
012554416
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:
| 806955 | 96214 | RAYTHEON COMPANY | | 806955-2120 | 96214 | RAYTHEON COMPANY | | S9700AR0040 | 00328 | DESIGNATRONICS INCORPORATED | | ABC37-120 | 23266 | SECS INC | | AC72ZT-120 | 29440 | W. M. BERG INC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 120 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.6657 INCHES MINIMUM AND | | 1.6667 INCHES MAXIMUM | | NOMINAL OUTSIDE DIAMETER | 1.693 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.124 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END | | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP |
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