National Item Identification Number
01-135-6561
011356561
3040-01-135-6561
3040011356561
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)
Reference Numbers (Part Numbers)
520-4674711 ITEM 14
Required Categories
FIRST END STYLE
FIRST END KEYWAY WIDTH
FIRST END EXTERNAL KEYWAY LENGTH
FIRST
Required Description
15 INDENTED FLAT KEYWAY
0.3750 INCHES MINIMUM AND
0.3770 INCHES MAXIMUM
1.625