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National Stock Number:
3020-01-463-5527
Federal Supply Class:
3020
National Item Identification Number:
014635527
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:
| ES3902 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | ES3902 | 98255 | DRS SUSTAINMENT SYSTEMS INC | | P21-4-64-Q12 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | ES3902-009 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | ES3902-009 | 98255 | DRS SUSTAINMENT SYSTEMS INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 HUB | | STEEL COMP 302 SPRING | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB | | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING | | TEETH QUANTITY | 64 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.3335 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.3750 INCHES | | FACE NOMINAL WIDTH | 0.312 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | BORE STYLE | PLAIN BETWEEN BODY AND FLANGE | | BORE NOMINAL DIAMETER | 0.1248 INCHES FIRST END |
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