National Item Identification Number
01-287-4048
012874048
3040-01-287-4048
3040012874048
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)
81898
SUPERVISOR OF SHIPBUILDING
CONVERSION AND REPAIR USN
SAN FRANCISCO
CA
94135
81898
SUPERVISOR OF SHIPBUILDING
CONVERSION AND REPAIR USN
SAN FRANCISCO
CA
94135
Reference Numbers (Part Numbers)
4489817
4489817 PIECE 1
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE FINISH
FIRST END STYLE;
Required Description
NICKEL ALLOY
QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
8.0 MICROINCH
