National Item Identification Number
01-389-4242
013894242
3040-01-389-4242
3040013894242
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)
53711
53711
53711
53711
Reference Numbers (Part Numbers)
SK-F-8530
SK-F-8530 IEM 13
SK-F-8530 PIECE 13
SK-F-8530-13
Required Categories
MATERIAL
FIRST END STYLE
FIRST END DIAMETER
FIRST END WIDTH ACROSS FLATS
FIR
Required Description
STEEL CORROSION RESISTING
13 SQUARE
0.8750 INCHES NOMINAL
0.8750 INCHES NOMIN
