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National Stock Number:
3020-00-102-3754
Federal Supply Class:
3020
National Item Identification Number:
001023754
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:
| SM-B-617444 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | SMB617444 | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | SMB617444 | 36180 | ULTRA ELECTRONICS MARITIME SYSTEMS INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | STEEL COMP 303 HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE HUB | | SURFACE TREATMENT | ANODIZE BODY | | PASSIVATE HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 FINISH E511 MIL SPEC SINGLE TREATMENT RESPONSE BODY | | MIL-F-14072,FINSIH E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB | | TEETH QUANTITY | 127 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | BACKLASH DESIGNATION | GRADE C | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.5875 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.6125 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 0.250 INCHES FIRST END | | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80063 | | DESIGN CONTROL REFERENCE | SM-B-617444 |
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