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National Stock Number:
3040-00-755-4898
Federal Supply Class:
3040
National Item Identification Number:
007554898
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:
| 11014618 | 19200 | US ARMY ARDEC RDECOM | | 11014618 | 19205 | SPRINGFIELD ARMORY |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DISTANCE FROM END TO FLAT | 0.250 INCHES NOMINAL | | FIRST END DIAMETER | 0.1238 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM | | FIRST END GROOVED FLAT DEPTH | 0.021 INCHES NOMINAL | | FIRST END GROOVED FLAT LENGTH | 0.2500 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM | | FIRST END STYLE | FLAT GROOVED | | LARGEST STEP DIAMETER | 0.1238 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM | | OVERALL LENGTH | 3.980 INCHES MINIMUM AND 4.000 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 303SE,COND B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SECOND END DIAMETER | 0.1120 INCHES NOMINAL | | SECOND END STEP LENGTH | 0.100 INCHES NOMINAL | | SECOND END STYLE | SQUARE (ROUND CORNERS) | | SECOND END WIDTH ACROSS FLATS | 0.077 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | STEP QUANTITY | 3 | | SPECIAL FEATURES | SECOND STEP THD,NO. 4(.112)-40 UNC-2A,LOCATED 0.530 IN. LG. FROM SECOND END,SPLINE 0.430 IN. LG | | SURFACE FINISH | 250.0 MICROINCHES |
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