National Item Identification Number

00-284-3993
002843993
3040-00-284-3993
3040002843993

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)

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80063

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27361

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Reference Numbers (Part Numbers)

SM-B-186956
54730A
835LX

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
FIRST END STYLE
FIRST END DIAME

Required Description

STEEL
MIL-F-14072,TYPE 1,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
1 PLAIN
0.