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National Stock Number:
3040-01-255-6201
Federal Supply Class:
3040
National Item Identification Number:
012556201
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:
| 903-5912051 | 80090 | CHARLESTON NAVAL SHIPYARD NAVAL BASE | | 903-5912051 PC42 | 80090 | CHARLESTON NAVAL SHIPYARD NAVAL BASE |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.1870 INCHES NOMINAL | | FIRST END FLAT DEPTH | 0.0310 INCHES NOMINAL | | FIRST END FLAT LENGTH | 0.188 INCHES NOMINAL | | FIRST END STYLE | FLATTED | | LARGEST STEP DIAMETER | 0.305 INCHES NOMINAL | | OVERALL LENGTH | 2.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-T-570 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SECOND END DIAMETER | 0.1870 INCHES NOMINAL | | SECOND END WIDTH ACROSS FLATS | 0.187 INCHES NOMINAL | | SECOND END STEP LENGTH | 0.500 INCHES NOMINAL | | SECOND END STYLE | SQUARE (ROUND CORNERS) | | STEP QUANTITY | 3 |
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