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National Stock Number:
3020-00-019-0173
Federal Supply Class:
3020
National Item Identification Number:
000190173
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:
| 10128780-1 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | AB550-130SSHS1873CDP2 | 01351 | SOUTHERN GEAR & MACHINE INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | TEETH QUANTITY | 130 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.3541 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.374 INCHES | | FACE NOMINAL WIDTH | 0.125 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END | | ATTACHMENT METHOD | MOUNTING HOLE | | MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | FURNISHED ITEMS AND QUANTITY | 2 SETSCREW | | SPECIAL FEATURES | MTG HOLES 90 DEG APART |
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