NSN 3040-01-073-9723

Part Details | STRAIGHT SHAFT

3040-01-073-9723 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: 12274090, 12287895, 3040-01-073-9723, 01-073-9723, 3040010739723, 010739723

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAR 24, 197901-073-972322109 ( SHAFT, STRAIGHT )
REFERENCE DRAWINGS & PICTURES

TONGUE

SPLINED (STRAIGHT)

TONGUE

SPLINED (STRAIGHT)

Cross Reference | NSN 3040-01-073-9723
Part Number Cage Code Manufacturer
1227409019207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
1228789519200US ARMY ARDEC RDECOM
Technical Data | NSN 3040-01-073-9723
Characteristic Specifications
MATERIAL0$DST8630
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 AL 4130 TO 8630 ASSN STD ALL MATERIAL RESPONSES
SURFACE FINISH63.0 MICROINCHES
FIRST END STYLE4 TONGUE
FIRST END GROOVE WIDTH0.1560 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.4330 INCHES NOMINAL
FIRST END DISTANCE FROM END TO GROOVE0.289 INCHES NOMINAL
FIRST END DIAMETER0.4790 INCHES NOMINAL
FIRST END SPLINE LENGTH0.289 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER0.4060 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER0.4790 INCHES NOMINAL
FIRST END INTERNAL THREAD LENGTH0.560 INCHES NOMINAL
FIRST END DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS0.206 INCHES NOMINAL
FIRST END SPLINE QUANTITY22
END SIMILARITY NOT IDENTICAL
SECOND END STYLE4 SPLINED (STRAIGHT)
SECOND END GROOVE WIDTH0.1990 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.4330 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE1.990 INCHES NOMINAL
SECOND END DIAMETER0.4790 INCHES NOMINAL
SECOND END SPLINE LENGTH1.990 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.4060 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.4790 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH0.750 INCHES NOMINAL
SECOND END SPLINE QUANTITY22
OVERALL LENGTH2.910 INCHES NOMINAL
SPECIAL FEATURES0.190-24UNC-2B EACH END