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National Stock Number:
3020-01-408-9987
Federal Supply Class:
3020
National Item Identification Number:
014089987
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:
| 800895-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION | | 800895-1 | 77445 | RTX CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | HS2776 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | TEETH QUANTITY | 8 | | PRESSURE ANGLE | 25.0000 DEGREES | | PITCH DIAMETER | 1.6250 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.676 INCHES | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | SPECIAL FEATURES | SECTOR GEAR, USED ON EEC FUEL CONTROL, F-117 ENGINE |
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