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National Stock Number:
3020-00-499-4324
Federal Supply Class:
3020
National Item Identification Number:
004994324
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:
| 265039-901 | 65092 | SOLARTRON ELECTRONICS INC WESTON INSTRUMENTS DIV |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.117 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.090 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 0.245 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 T4 FED SPEC 2ND MATERIAL RESPONSE TEETH | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC 1ST MATERIAL RESPONSE HUB | | MATERIAL | ALUMINUM ALLOY 2024 TEETH | | MATERIAL | STEEL COMP 303 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.140 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.4520 INCHES | | PITCH DIAMETER | 0.4210 INCHES MINIMUM AND 0.4220 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | ANODIZE TEETH | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 27 | | TOOTH FORM | STUB |
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