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National Stock Number:
3020-00-004-2785
Federal Supply Class:
3020
National Item Identification Number:
000042785
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:
| A51M20033 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M20033-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M20033-1 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M20033-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BACKLASH DESIGNATION | GRADE D ALL GEARS | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.6879 INCHES BOTH ENDS | | CONSTRUCTION | ASSEMBLED | | DESIGN TYPE | SPUR FIRST GEAR | | DESIGN TYPE | BEVEL SECOND GEAR | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL LENGTH | 0.143 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL DIAMETER | 0.9379 INCHES FIRST END | | HUB NOMINAL DIAMETER | 0.940 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | MATERIAL | STEEL COMP 630 OVERALL | | NOMINAL OUTSIDE DIAMETER | 1.279 INCHES SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 3.300 INCHES FIRST GEAR | | PRECISION CLASSIFICATION | QUALITY NUMBER 14 ALL GEARS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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