National Item Identification Number
00-499-9970
004999970
3040-00-499-9970
3040004999970
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)
11083
Reference Numbers (Part Numbers)
8L4158
Required Categories
MATERIAL
FIRST END DIAMETER
END SIMILARITY
SECOND END DIAMETER
OVERALL LENGT
Required Description
STEEL
0.5000 INCHES NOMINAL
NOT IDENTICAL
0.5000 INCHES NOMINAL
5.420 INCHES