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National Stock Number:
3020-00-313-8127
Federal Supply Class:
3020
National Item Identification Number:
003138127
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:
| 1391-2542 | 11871 | RECON/OPTICAL, INC. | | 1391-2542 | 80294 | BOURNS INSTRUMENTS INC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | CONSTRUCTION | SOLID | | DESIGN TYPE | SPUR FIRST GEAR | | SPUR SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 0.7031 INCHES FIRST GEAR | | 0.7031 INCHES SECOND GEAR | | NOMINAL OVERALL LENGTH | 0.969 INCHES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 ALL GEARS | | BACKLASH DESIGNATION | GRADE B ALL GEARS | | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR | | 2 GROOVES BOTH ENDS | | HUB NOMINAL LENGTH | 0.438 INCHES FIRST END | | 0.1570 INCHES SECOND END | | 0.188 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL DIAMETER | 0.188 INCHES BETWEEN FIRST AND SECOND GEAR | | 0.125 INCHES BOTH ENDS |
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