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National Stock Number: 3020-01-148-1477
Federal Supply Class: 3020
National Item Identification Number: 011481477
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:
901056 | 82577 | RAYTHEON COMPANY | 901056-1B | 82577 | RAYTHEON COMPANY | S9711AR0011 | 00328 | DESIGNATRONICS INCORPORATED |
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Techincal Specification:
ATTACHMENT METHOD | CLAMP | BORE NOMINAL DIAMETER | 0.0938 INCHES BOTH ENDS | BORE STYLE | PLAIN BOTH ENDS | CLAMPING SURFACE NOMINAL LENGTH | 0.190 INCHES FIRST END | FACE NOMINAL WIDTH | 0.104 INCHES | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END | HUB STYLE DESIGNATOR | SPLIT FIRST END | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 303 OVERALL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.221 INCHES FIRST END | NOMINAL OUTSIDE DIAMETER | 0.5304 INCHES | PITCH DIAMETER | 0.4993 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM | PRESSURE ANGLE | 20.0000 DEGREES | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | STYLE DESIGNATOR | PROTRUDING HUB | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | TEETH QUANTITY | 32 | TOOTH FORM | STANDARD |
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