National Item Identification Number

00-222-0315
002220315
3040-00-222-0315
3040002220315

National Stock Number

Item Name

SHAFT,STRAIGHT

Federal Supply Class

3040

Description

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see GEARSHAFT (as modified). For items designed to support rotating members see AXLE(1), STRAIGHT. For items not having the above conditions see PIN, STRAIGHT, HEADLESS. For items having machined ends which constitute steps see SHAFT(1), SHOULDERED; AXLE(1), SHOULDERED; and BOLT, FLUID PASSAGE.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

2256696

Required Categories

MATERIAL
SURFACE FINISH
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
O

Required Description

STEEL COMP 4140
32.0 MICROINCHES
1 PLAIN
0.7450 INCHES MINIMUM AND
0.7470 IN