NSN 3040-01-391-3901

Part Details | SHOULDERED SHAFT

3040-01-391-3901 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.

Alternate Parts: DAA3255D028003, DAA3255D028-003, DAA3255D028, 3040-01-391-3901, 01-391-3901, 3040013913901, 013913901

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JUN 09, 199401-391-390122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

CIRCULAR GROOVED

PLAIN

CIRCULAR GROOVED

Cross Reference | NSN 3040-01-391-3901
Part Number Cage Code Manufacturer
DAA3255D028-0031W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
DAA3255D0281W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 3040-01-391-3901
Characteristic Specifications
FIRST END STYLE0 PLAIN
MATERIAL STEEL COMP 4340
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-500,COND E4 MIL SPEC SINGLE MATERIAL RESPONSE
FIRST END DIAMETER0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
FIRST END SLOT DEPTH0.1250 INCHES NOMINAL
FIRST END SLOT WIDTH0.1250 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE1 CIRCULAR GROOVED
SECOND END DIAMETER0.3120 INCHES NOMINAL
SECOND END HOLE DIAMETER0.0710 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM
SECOND END DISTANCE FROM HOLE CENTER TO END0.131 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH0.400 INCHES NOMINAL
LARGEST STEP DIAMETER0.436 INCHES NOMINAL
OVERALL LENGTH4.483 INCHES NOMINAL
STEP QUANTITY3