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National Stock Number:
3020-00-318-0255
Federal Supply Class:
3020
National Item Identification Number:
003180255
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:
| 7333312 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 8640 OR | | STEEL COMP 8740 OR | | STEEL COMP 9440 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 50.0 ROCKWELL C NOMINAL TEETH | | CONSTRUCTION | SOLID | | DESIGN TYPE | SPUR FIRST GEAR | | SPUR SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 4.699 INCHES FOURTH GEAR | | 2.124 INCHES FIFTH GEAR | | HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS | | HUB NOMINAL LENGTH | 1.3957 INCHES FIRST END | | 0.8543 INCHES SECOND END | | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR | | 0.7918 INCHES BETWEEN SECOND AND THIRD GEAR |
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