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National Stock Number:
3040-01-287-4049
Federal Supply Class:
3040
National Item Identification Number:
012874049
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:
| 1366AS220 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.3125 INCHES NOMINAL | | FIRST END EXTERNAL THREAD LENGTH | 0.500 INCHES NOMINAL | | FIRST END STYLE | EXTERNAL THREADED | | LARGEST STEP DIAMETER | 0.429 INCHES NOMINAL | | OVERALL LENGTH | 4.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-108 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1018 | | SECOND END EXTERNAL THREAD LENGTH | 0.500 INCHES NOMINAL | | SECOND END DIAMETER | 0.3750 INCHES NOMINAL | | SECOND END STYLE | EXTERNAL THREADED | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | STEP QUANTITY | 6 | | SURFACE FINISH | 32.0 MICROINCHES |
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