4820-01-298-3254 VALVE,CALIBRATED FLOW Index 3040-01-298-3256 SHAFT,SHOULDERED

National Stock Number:
3040-01-298-3255

Federal Supply Class:
3040

National Item Identification Number:
012983255

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.


Manufacturer Information:
3C329507482GENERAL ELECTRIC COMPANY
3C3295P0807482GENERAL ELECTRIC COMPANY


Techincal Specification:
END SIMILARITYNOT IDENTICAL
EXTERNAL KEYWAY LENGTH20.2500 INCHES NOMINAL SECOND END
FIRST END DIAMETER1.7500 INCHES NOMINAL
FIRST END STYLEPLAIN
LARGEST STEP DIAMETER2.2490 INCHES NOMINAL
OVERALL LENGTH26.000 INCHES NOMINAL
MATERIALSTEEL COMP 4340
SECOND END ANGLE BETWEEN KEYWAYS180.0 DEGREES NOMINAL
SECOND END DIAMETER2.1200 INCHES NOMINAL
SECOND END STYLETWO FLAT KEYWAYS
SECOND END KEYWAY DEPTH0.2670 INCHES NOMINAL
SECOND END KEYWAY WIDTH0.2650 INCHES NOMINAL
STEP QUANTITY7


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