4410-01-406-1939 BOILER,STEAM,HIGH PRESSURE Index 3040-01-406-1941 SHAFT,STRAIGHT

National Stock Number:
3040-01-406-1940

Federal Supply Class:
3040

National Item Identification Number:
014061940

Description:
SHAFT,SHOULDERED

Detail:
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.


Manufacturer Information:
DAA7278D088-0031W025NORTHROP GRUMMAN SYSTEMS CORP


Techincal Specification:
END SIMILARITYIDENTICAL
FIRST END DISTANCE FROM KEYWAY CENTER TO END0.710 INCHES NOMINAL
FIRST END DIAMETER0.9960 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM
FIRST END STYLEWOODRUFF KEYWAY
FIRST END KEYWAY WIDTH0.2510 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM
LARGEST STEP DIAMETER1.125 INCHES NOMINAL
MATERIALSTEEL COMP 4130
OVERALL LENGTH26.500 INCHES NOMINAL
STEP QUANTITY3


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