3040-01-125-6923 SHAFT,STRAIGHT Index 3040-01-125-6925 SHAFT,SHOULDERED

National Stock Number:
3040-01-125-6924

Federal Supply Class:
3040

National Item Identification Number:
011256924

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:
65265-02012-10115152PCX AEROSYSTEMS-MANCHESTER, LLC
65265-02012-10121540PRECISION GEAR INDUSTRIES LLC
65265-02012-10158078AIRTRONICS, LLC
ES3-DWG-17706LKA3ES3 PRIME LOGISTICS GROUP, INC.
65265-02012-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
END SIMILARITYNOT IDENTICAL
FIRST END DISTANCE FROM HOLE CENTER TO END0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
FIRST END SPLINE LENGTH1.181 INCHES NOMINAL
FIRST END HOLE DIAMETER0.1360 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER1.0365 INCHES MINIMUM AND 1.0390 INCHES MAXIMUM
FIRST END SPLINE MINOR DIAMETER0.9100 INCHES MINIMUM AND 0.9200 INCHES MAXIMUM
FIRST END STYLECROSS DRILLED HOLE AND SPLINED (STRAIGHT)
LARGEST STEP DIAMETER1.122 INCHES MINIMUM AND 1.123 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6260 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
OVERALL LENGTH25.630 INCHES NOMINAL
SECOND END STYLECROSS DRILLED HOLE AND SPLINED (STRAIGHT)
SECOND END SPLINE LENGTH1.250 INCHES NOMINAL
SPECIAL FEATURESFLIGHT SAFETY CRITICAL
STEP QUANTITY5
SURFACE FINISH32.0 MICROINCHES


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