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National Stock Number:
3020-00-213-8090
Federal Supply Class:
3020
National Item Identification Number:
002138090
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:
| 905D225-2 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 1.260 INCHES BOTH ENDS | | CONSTRUCTION | SOLID | | DESIGN TYPE | SPUR FIRST GEAR | | DESIGN TYPE | SPUR SECOND GEAR | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL DIAMETER | 1.520 INCHES SECOND END | | HUB NOMINAL DIAMETER | 1.970 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | HUB NOMINAL LENGTH | 0.110 INCHES SECOND END | | HUB NOMINAL LENGTH | 0.230 INCHES BETWEEN FIRST AND SECOND GEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COMP 4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL OUTSIDE DIAMETER | 2.552 INCHES SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 2.587 INCHES FIRST GEAR | | NOMINAL OVERALL LENGTH | 0.950 INCHES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,CLASS3 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE MANGANESE OR PHOSPHATE ZINC OVERALL |
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