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National Stock Number:
3020-01-074-4773
Federal Supply Class:
3020
National Item Identification Number:
010744773
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:
| 132D1936 | 05606 | GENERAL DYNAMICS-OTS, INC. | | 142D5654 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS | | BORE NOMINAL DIAMETER | 0.487 INCHES BOTH ENDS | | CONSTRUCTION | SOLID | | COUNTERBORE NOMINAL DIAMETER | 1.1000 INCHES SECOND END | | COUNTERBORE NOMINAL DEPTH | 0.730 INCHES SECOND END | | DESIGN TYPE | SPUR FIRST GEAR | | DESIGN TYPE | SPUR SECOND GEAR | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL DIAMETER | 0.7500 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL LENGTH | 0.3000 INCHES FIRST END | | HUB NOMINAL LENGTH | 0.740 INCHES BETWEEN FIRST AND SECOND GEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA322 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA331 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL OUTSIDE DIAMETER | 1.8260 INCHES FIRST GEAR | | NOMINAL OVERALL LENGTH | 1.650 INCHES | | NOMINAL OUTSIDE DIAMETER | 3.1550 INCHES SECOND GEAR | | SPLINE PITCH DIAMETER | 0.4688 INCHES NOMINAL SECOND END | | SPLINE QUANTITY | 15 SECOND END | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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