NSN 3040-01-398-1988

Part Details | SHOULDERED SHAFT

3040-01-398-1988 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: DAA7252D715001, DAA7252D715-001, DAA7252D715, 3040-01-398-1988, 01-398-1988, 3040013981988, 013981988

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30OCT 26, 199401-398-198822914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

PLAIN

Cross Reference | NSN 3040-01-398-1988
Part Number Cage Code Manufacturer
DAA7252D715-00181205THE BOEING COMPANYDBA BOEING
DAA7252D71581205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 3040-01-398-1988
Characteristic Specifications
FIRST END STYLE3 PLAIN
MATERIAL STEEL CORROSION RESISTING
FIRST END DIAMETER1.3750 INCHES NOMINAL
FIRST END WIDTH ACROSS FLATS0.500 INCHES NOMINAL
FIRST END STEP LENGTH1.380 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE8 PLAIN
SECOND END DIAMETER1.2810 INCHES NOMINAL
SECOND END SPLINE LENGTH0.450 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER1.2470 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM
SECOND END PITCH DIAMETER1.3333 INCHES NOMINAL
SECOND END PRESSURE ANGLE30.0 DEGREES NOMINAL
SECOND END SPLINE QUANTITY32
LARGEST STEP DIAMETER1.132 INCHES NOMINAL
OVERALL LENGTH11.320 INCHES NOMINAL
STEP QUANTITY3
END ITEM IDENTIFICATION5180-01-272-5929