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National Stock Number:
3020-00-437-5872
Federal Supply Class:
3020
National Item Identification Number:
004375872
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:
| 466-376 | 90073 | CMC ELECTRONICS INC |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BORE NOMINAL DIAMETER | 0.253 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.092 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 0.406 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE OVERALL | | PITCH DIAMETER | 0.7500 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 BODY | | MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE THREAD QUANTITY PER INCH | 56 TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.7708 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 144 | | TOOTH FORM | STANDARD |
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