3040-01-374-3976 SHAFT,STRAIGHT Index 3040-01-374-3978 SHAFT,SHOULDERED

National Stock Number:
3040-01-374-3977

Federal Supply Class:
3040

National Item Identification Number:
013743977

Description:
SHAFT,STRAIGHT

Detail:
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 jubricating 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.


Manufacturer Information:
124-432261553711NAVAL SEA SYSTEMS COMMAND
124-4322615 PC1253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.8750 INCHES MAXIMUM
FIRST END STYLEINTERNAL THREADED
FIRST END INTERNAL THREAD LENGTH1.5000 INCHES NOMINAL
OVERALL LENGTH7.4375 INCHES NOMINAL
MATERIALSTEEL COMP 304
SECOND END DIAMETER0.7188 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE6.1250 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH1.3125 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.7188 INCHES NOMINAL
SECOND END GROOVE WIDTH0.0938 INCHES NOMINAL
SECOND END STYLECIRCULAR GROOVED AND EXTERNALLY THREADED
SPECIAL FEATURESEXTERNAL THREADS ARE 7/8-9UNC-2A,INTERNAL THREADS ARE 5/16-24 UNF-2B


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