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National Stock Number:
3020-01-395-3984
Federal Supply Class:
3020
National Item Identification Number:
013953984
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:
| 1651708 | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO | | 1651708-1 | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO | | P14-4-72C-Q12 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | DP144T72-CSP | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO |
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Techincal Specification:
| FACE NOMINAL WIDTH | 0.188 INCHES | | NOMINAL OUTSIDE DIAMETER | 2.312 INCHES | | PITCH DIAMETER | 2.2500 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | ONE PRELOAD INDICATION HOLE 0.0625 IN. DIA LOCATED AXIALLY THROUGH GEAR BODY BOTH GEARS | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR | | TEETH QUANTITY | 72 |
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