NSN 3040-01-180-3477

Part Details | STRAIGHT SHAFT

3040-01-180-3477 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: 12321031, 3040-01-180-3477, 01-180-3477, 3040011803477, 011803477

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAY 26, 198401-180-347722109 ( SHAFT, STRAIGHT )
REFERENCE DRAWINGS & PICTURES

PLAIN

CIRCULAR GROOVED

PLAIN

CIRCULAR GROOVED

Cross Reference | NSN 3040-01-180-3477
Part Number Cage Code Manufacturer
1232103119200US ARMY ARDEC RDECOM
Technical Data | NSN 3040-01-180-3477
Characteristic Specifications
MATERIAL STEEL COMP 4340
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE FINISH125.0 MICROINCHES
FIRST END STYLE PLAIN
FIRST END DIAMETER0.6230 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE CIRCULAR GROOVED
SECOND END GROOVE DIAMETER0.2500 INCHES NOMINAL
SECOND END DIAMETER0.6230 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH0.3800 INCHES NOMINAL
OVERALL LENGTH3.500 INCHES NOMINAL
SPECIAL FEATURESHOLE IN 2ND END IS THREADED TO 0.164-32 UNC-2B; HEAT TREAT AND NITRIDE ENTIRE PART PER MIL-H-6875 & MIL-S-6090 USING DOUBLE STAGE NITRIDING PROCESS,RESULTING WHITE LAYER TO BE 0.005 IN.MAX.; CASE REQ. AT SPLINE TOOTH PITCH LINE: SURFACE HARDNESS ROCKWELL 30N 70MIN.,DEPTH FROM SURFACE TO HARDNESS OFRC 45 0.010/0.015,CORE HARDNESS RC35-40; SCREW THREADS NOT NITRIDED; EXTERNAL INVOLUTE SPLINE DATA: 16 TEETH; DIAMETRAL PITCH IS 20/40; PRESSURE ANGLE IS 30 DEG.
END ITEM IDENTIFICATIONTANK,COMBAT,FULL TRACKED; NSN 2350-01-087-1095