3040-01-197-3656 SHAFT BALL SCREW Index 4730-01-197-3658 COUPLING,BELLOWS

National Stock Number:
3040-01-197-3657

Federal Supply Class:
3040

National Item Identification Number:
011973657

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:
1210C190903538LOCKHEED MARTIN CORPORATION
1210C190954497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
1213D1901 FIND 403538LOCKHEED MARTIN CORPORATION
1213D1901 FIND 454497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.2490 INCHES NOMINAL
FIRST END STYLEPLAIN
LARGEST STEP DIAMETER0.3745 INCHES NOMINAL
OVERALL LENGTH5.380 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 TYPE 304 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL CORROSION RESISTING
SECOND END DIAMETER0.3430 INCHES NOMINAL
SECOND END DISTANCE FROM HOLE CENTER TO END0.380 INCHES NOMINAL
SECOND END HOLE DIAMETER0.0780 INCHES NOMINAL
SECOND END STYLEUNTHREADED CROSS DRILLED
STEP QUANTITY3
SURFACE FINISH32.0 MICROINCHES


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