3040-01-299-6741 SHAFT,STRAIGHT Index 2920-01-299-6743 STARTER,ENGINE,ELECTRICAL

National Stock Number:
3040-01-299-6742

Federal Supply Class:
3040

National Item Identification Number:
012996742

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:
514513-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DIAMETER1.6250 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH1.640 INCHES NOMINAL
FIRST END STYLEEXTERNAL THREADED
LARGEST STEP DIAMETER3.062 INCHES NOMINAL
OVERALL LENGTH6.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D-2 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
SECOND END DIAMETER1.2500 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH1.375 INCHES NOMINAL
STEP QUANTITY3


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