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National Stock Number:
3020-00-901-0546
Federal Supply Class:
3020
National Item Identification Number:
009010546
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:
| 451342 | 1PQF4 | CAE USA INC. | | 451342 | 36378 | RAYTHEON TECHNICAL SERVICES COMPANY | | AB250-70-1875P2 | 01351 | SOUTHERN GEAR & MACHINE INC | | ACD6-70P2 | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | STEEL COMP 303 HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB | | SURFACE TREATMENT | ANODIZE BODY | | PASSIVATE HUB | | TEETH QUANTITY | 70 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.0935 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.124 INCHES | | FACE NOMINAL WIDTH | 0.125 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
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