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National Stock Number:
3020-00-105-6682
Federal Supply Class:
3020
National Item Identification Number:
001056682
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:
| 607383-1 | 96214 | RAYTHEON COMPANY | | ACE4-72 | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV | | MAB650-72-1248 | 01351 | SOUTHERN GEAR & MACHINE INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.125 INCHES | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR | | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR | | MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR | | MATERIAL | STEEL COMP 303S HUB | | MATERIAL | STEEL SPRING | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.615 INCHES | | PITCH DIAMETER | 0.6000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | ANODIZE FIRST GEAR | | SURFACE TREATMENT | ANODIZE SECOND GEAR | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 72 | | TOOTH FORM | STANDARD |
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