National Item Identification Number
00-740-9912
007409912
3040-00-740-9912
3040007409912
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)
61465
19207
Reference Numbers (Part Numbers)
KC2756
L23127
M305898
7409912
Required Categories
MATERIAL
FIRST END STYLE
FIRST END KEYWAY WIDTH
FIRST END EXTERNAL KEYWAY LEN
Required Description
STEEL
15 INDENTED FLAT KEYWAY
0.3730 INCHES NOMINAL
2.000 INCHES NOMINAL
0.2