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National Stock Number:
3020-01-286-1320
Federal Supply Class:
3020
National Item Identification Number:
012861320
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:
| 11450109 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| CONSTRUCTION | ASSEMBLED | | DESIGN TYPE | WORM ALL GEARS | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL OUTSIDE DIAMETER | 3.901 INCHES ALL GEARS | | NOMINAL OVERALL LENGTH | 2.188 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-C-490,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |
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