3040-01-253-9425 SHAFT,SHOULDERED Index 3040-01-253-9427 SHAFT,SHOULDERED

National Stock Number:
3040-01-253-9426

Federal Supply Class:
3040

National Item Identification Number:
012539426

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:
SS-472-247729225685NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE
SS-472-2477292-4125685NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.3900 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM
FIRST END STYLESLOTTED
FIRST END SLOT DEPTH0.060 INCHES NOMINAL
FIRST END SLOT WIDTH0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
LARGEST STEP DIAMETER0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
OVERALL LENGTH9.980 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 304
SPECIAL FEATURESTWO HOLES LOCATED 2.440IN.FROM BOTH ENDS,5.000IN.APART,0.275IN.DIA,TO FACILITATE BARREL NUTS
STEP QUANTITY5


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