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National Stock Number:
3040-00-898-0144
Federal Supply Class:
3040
National Item Identification Number:
008980144
Description:
SHAFT,SHOULDERED
Detail:
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.
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Manufacturer Information:
| 3N-280 | 54370 | ALFA LAVAL INC. | | 3N287PC21 | 54370 | ALFA LAVAL INC. | | A-C7629-1 | 54370 | ALFA LAVAL INC. | | A-C7918-1 | 54370 | ALFA LAVAL INC. | | AC7918-1 | 54370 | ALFA LAVAL INC. |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | END SIMILARITY | NOT IDENTICAL | | FIRST END DISTANCE FROM END TO GROOVE | 0.484 INCHES NOMINAL | | FIRST END GROOVE DIAMETER | 0.3440 INCHES NOMINAL | | FIRST END GROOVE WIDTH | 0.2810 INCHES NOMINAL | | FIRST END DIAMETER | 0.3750 INCHES NOMINAL | | FIRST END STYLE | CIRCULAR GROOVED | | LARGEST STEP DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL | STEEL | | OVERALL LENGTH | 3.406 INCHES NOMINAL | | SECOND END DIAMETER | 0.3910 INCHES NOMINAL | | SECOND END EXTERNAL THREAD LENGTH | 0.438 INCHES NOMINAL | | SECOND END STYLE | EXTERNAL THREADED | | STEP QUANTITY | 2 | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
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