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National Stock Number:
3020-01-284-5410
Federal Supply Class:
3020
National Item Identification Number:
012845410
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:
| 142D6914 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS | | BORE STYLE | W/COUNTERBORE BOTH ENDS | | CONSTRUCTION | ASSEMBLED | | COUNTERBORE NOMINAL DEPTH | 0.430 INCHES BOTH ENDS | | COUNTERBORE NOMINAL DIAMETER | 0.501 INCHES BOTH ENDS | | DESIGN TYPE | SPUR ALL GEARS | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL DIAMETER | 0.620 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL | | NOMINAL OUTSIDE DIAMETER | 2.453 INCHES SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 1.223 INCHES FIRST GEAR | | NOMINAL OVERALL LENGTH | 1.590 INCHES | | SPECIAL FEATURES | 1ST GEAR DATA: NO. OF TEETH 30; PITCH DIA. 2.3077; PRESSURE ANGLE 20.0000; 2ND GEAR DATA: NO. OF TEETH 12; PITCH DIA. 1.0000; PRESSURE ANGLE 20.0000 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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