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National Stock Number:
3020-00-763-5551
Federal Supply Class:
3020
National Item Identification Number:
007635551
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:
| 132AS642 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | P16-3-120 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BACKLASH DESIGNATION | GRADE B | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.370 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 0.385 INCHES | | PITCH DIAMETER | 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | SETSCREW FURNISHED | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 120 | | TOOTH FORM | STANDARD |
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