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National Stock Number: 3020-01-034-6524
Federal Supply Class: 3020
National Item Identification Number: 010346524
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:
SM-F-715275 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
ATTACHMENT METHOD | CLAMP | BACKLASH DESIGNATION | GRADE E | FACE NOMINAL WIDTH | 0.1400 INCHES | NOMINAL OVERALL LENGTH | 0.7500 INCHES | NOMINAL OUTSIDE DIAMETER | 4.0310 INCHES | PITCH DIAMETER | 4.0000 INCHES NOMINAL | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | STYLE DESIGNATOR | PROTRUDING HUB | SURFACE TREATMENT | PASSIVATE OVERALL | TEETH QUANTITY | 256 | TOOTH FORM | STANDARD |
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