National Item Identification Number

01-502-0056
015020056
3040-01-502-0056
3040015020056

National Stock Number

Item Name

SHAFT,SHOULDERED

Federal Supply Class

3040

Description

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

609116-27A
801635-521
801635-521 REV A PC NO.44

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
FIRST END STYLE
FIRST END KEYWA

Required Description

NICKEL ALLOY
QQ-N-286 FED SPEC ALL MATERIAL RESPONSES
15 INDENTED FLAT KEYWAY;