3040-01-341-4987 SHAFT,STRAIGHT Index 3040-01-341-4989 SHAFT,SHOULDERED

National Stock Number:
3040-01-341-4988

Federal Supply Class:
3040

National Item Identification Number:
013414988

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:
6547D14880020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
6547D148-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER1.0000 INCHES NOMINAL
FIRST END DISTANCE FROM HOLE CENTER TO END0.4000 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH1.4000 INCHES NOMINAL
FIRST END HOLE DIAMETER0.1560 INCHES NOMINAL
FIRST END STYLECROSS DRILLED AND EXTERNALLY THREADED
LARGEST STEP DIAMETER1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM
OVERALL LENGTH13.800 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4140
STEP QUANTITY6
SURFACE FINISH32.0 MICROINCHES


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