1010-00-157-7546 BLOCK Index 1010-00-157-7549 BLOCK

National Stock Number:
3040-00-157-7547

Federal Supply Class:
3040

National Item Identification Number:
001577547

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:
299025PC210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER1.6229 INCHES MINIMUM AND 1.6238 INCHES MAXIMUM
FIRST END KEYWAY DEPTH0.209 INCHES NOMINAL
FIRST END KEYWAY WIDTH0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM
FIRST END EXTERNAL KEYWAY LENGTH2.250 INCHES NOMINAL
FIRST END STYLEFLAT KEYWAY
LARGEST STEP DIAMETER1.995 INCHES MINIMUM AND 1.996 INCHES MAXIMUM
OVERALL LENGTH16.870 INCHES NOMINAL
MATERIALSTEEL COMP 4140
SECOND END HOLE DEPTH1.625 INCHES NOMINAL
SECOND END HOLE DIAMETER0.2500 INCHES NOMINAL
SECOND END DIAMETER1.6230 INCHES MINIMUM AND 1.6240 INCHES MAXIMUM
SECOND END DISTANCE FROM HOLE CENTER TO END0.530 INCHES NOMINAL
SECOND END STYLEUNTHREADED CROSS DRILLED
STEP QUANTITY2
SURFACE FINISH63.0 MICROINCHES


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