National Item Identification Number
01-042-8142
010428142
3040-01-042-8142
3040010428142
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)
19204
Reference Numbers (Part Numbers)
12007825
Required Categories
FIRST END SPLINE LENGTH
END SIMILARITY
OVERALL LENGTH
SPECIAL FEATURES
THE M
Required Description
1.800 INCHES NOMINAL
NOT IDENTICAL
20.180 INCHES NOMINAL
EXTERNAL SPLINE W/18
