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National Stock Number:
3040-01-494-2724
Federal Supply Class:
3040
National Item Identification Number:
014942724
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:
| 7068477 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 752-7068477-63 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H832-1662-63 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | EXTERNAL KEYWAY LENGTH | 1.616 INCHES MINIMUM AND 1.618 INCHES MAXIMUM SECOND END | | FIRST END GROOVE DIAMETER | 3.8730 INCHES MINIMUM AND 3.8750 INCHES MAXIMUM | | FIRST END GROOVE WIDTH | 0.1880 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM | | FIRST END DIAMETER | 4.1130 INCHES MINIMUM AND 4.1150 INCHES MAXIMUM | | FIRST END DISTANCE FROM END TO GROOVE | 0.107 INCHES MINIMUM AND 0.132 INCHES MAXIMUM | | FIRST END STYLE | CIRCULAR GROOVED | | LARGEST STEP DIAMETER | 5.125 INCHES NOMINAL | | OVERALL LENGTH | 4.020 INCHES MINIMUM AND 4.040 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | CAP,ADJUSTMENT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-21952,GRADE HY-80,TYPE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SECOND END DIAMETER | 1.9686 INCHES MINIMUM AND 1.9688 INCHES MAXIMUM | | SECOND END STYLE | FLAT KEYWAYS AND INTERNALLY THREADED | | SECOND END INTERNAL THREAD LENGTH | 1.030 INCHES NOMINAL | | SECOND END KEYWAY DEPTH | 0.094 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | SECOND END KEYWAY WIDTH | 0.3130 INCHES MINIMUM AND 0.3290 INCHES MAXIMUM | | SPECIAL FEATURES | INTERNAL THREADS 0.875 X 32 UN-3B ON SECOND END OF SHAFT;0.281 DIA THRU AND 0.420 DIA X 0.250 TO 0.280 DEEP COUNTER SUNK (6) EQUALLY SPACED MOUNTING HOLES ON 4.625 PITCH CIRCLE; NEXT HIGHER ASSEMBLY NSN 3040-01-492-8053;USED ON NSSN CLASS SUBMARINE | | STEP QUANTITY | 6 | | SURFACE FINISH | 63.0 MICROINCHES |
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