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National Stock Number:
3020-00-250-0957
Federal Supply Class:
3020
National Item Identification Number:
002500957
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:
| 533383-2135 | 96214 | RAYTHEON COMPANY | | ABP64-135-385LG | 23266 | SECS INC | | P13-7-135 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 T4 FED SPEC 1ST MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 TYPE 303 COND A FED SPEC 2ND MATERIAL RESPONSE HUB | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | PITCH DIAMETER | 1.4053 INCHES MINIMUM AND 1.4063 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.426 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE HUB | | SURFACE TREATMENT | ANODIZE BODY | | TEETH QUANTITY | 135 | | TOOTH FORM | STANDARD |
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