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National Stock Number:
3020-00-631-7776
Federal Supply Class:
3020
National Item Identification Number:
006317776
Description:
GEAR CLUSTER
Detail:
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.
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Manufacturer Information:
| 9075705 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | CONSTRUCTION | SOLID | | DESIGN TYPE | SPUR FIRST GEAR | | DESIGN TYPE | SPUR SECOND GEAR | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL DIAMETER | 0.575 INCHES SECOND END | | HUB NOMINAL LENGTH | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL LENGTH | 0.1870 INCHES SECOND END | | HUB NOMINAL DIAMETER | 0.535 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL OUTSIDE DIAMETER | 0.665 INCHES SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 1.707 INCHES FIRST GEAR | | NOMINAL OVERALL LENGTH | 0.625 INCHES | | PRECISION CLASSIFICATION | QUALITY NUMBER 11 ALL GEARS | | SPECIAL FEATURES | GEAR HAS A SLOTTED END ON HUB,16 SLOTS,0.188 IN. DEEP 45 DEG ANGLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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