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National Stock Number:
3020-01-052-2846
Federal Supply Class:
3020
National Item Identification Number:
010522846
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:
| 802785 | 96214 | RAYTHEON COMPANY | | 802785-2120 | 96214 | RAYTHEON COMPANY | | MZ3G-120X-AP1 0. | 00328 | DESIGNATRONICS INCORPORATED | | MZ3G-120X-AP1 0.090 BORE | 00328 | DESIGNATRONICS INCORPORATED | | ABC49-120 0.090 | 23266 | SECS, INC. | | ABC49-120 0.090 BORE | 23266 | SECS, INC. | | MZ3G-120X-AQ10-. | 00328 | DESIGNATRONICS INCORPORATED | | MZ3G-120X-AQ10-.0900 | 00328 | DESIGNATRONICS INCORPORATED | | Z3G-120X-AP1 0.0900 BORE | 00328 | DESIGNATRONICS INCORPORATED |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | END NOMINAL DIAMETER | 0.188 INCHES FIRST END | | END NOMINAL LENGTH | 0.190 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.104 INCHES | | FIRST STEP NOMINAL DIAMETER | 0.250 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 0.190 INCHES FIRST END | | HUB STYLE DESIGNATOR | 1 STEP FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | STEEL COMP 303 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.221 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.524 INCHES | | PITCH DIAMETER | 1.4990 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE HUB | | SURFACE TREATMENT | ANODIZE BODY | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 120 | | TOOTH FORM | STANDARD |
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