NSN 3040-01-374-3977

Part Details | STRAIGHT SHAFT

3040-01-374-3977 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.

Alternate Parts: 1244322615 PC12, 124-4322615 PC12, 1244322615, 124-4322615, 3040-01-374-3977, 01-374-3977, 3040013743977, 013743977

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30APR 22, 199301-374-397722109 ( SHAFT, STRAIGHT )
REFERENCE DRAWINGS & PICTURES

FLAT KEYWAY

INTERNAL THREADED

FLAT KEYWAY

INTERNAL THREADED

Cross Reference | NSN 3040-01-374-3977
Part Number Cage Code Manufacturer
124-4322615 PC1253711NAVAL SEA SYSTEMS COMMAND
124-432261553711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-374-3977
Characteristic Specifications
MATERIAL STEEL COMP 304
FIRST END STYLE INTERNAL THREADED
FIRST END DIAMETER0.8750 INCHES MAXIMUM
FIRST END INTERNAL THREAD LENGTH1.5000 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE0 FLAT KEYWAY
SECOND END GROOVE WIDTH0.0938 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.7188 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE6.1250 INCHES NOMINAL
SECOND END DIAMETER0.7188 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH1.3125 INCHES NOMINAL
OVERALL LENGTH7.4375 INCHES NOMINAL
SPECIAL FEATURESEXTERNAL THREADS ARE 7/8-9UNC-2A,INTERNAL THREADS ARE 5/16-24 UNF-2B