NSN 3040-01-166-6778

Part Details | SHOULDERED SHAFT

3040-01-166-6778 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: 4648155, 4648155, 4648155, 4648155, 4648155, 3040-01-166-6778, 01-166-6778, 3040011666778, 011666778

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30NOV 16, 198301-166-677822914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

CIRCULAR GROOVED

CIRCULAR GROOVED

Cross Reference | NSN 3040-01-166-6778
Part Number Cage Code Manufacturer
464815506036ALLIED ENGINEERING AND PRODUCTIONCORPORATION
464815570433APPLETON MARINE, INC.
464815503950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
464815580064NAVAL SHIP SYSTEMS COMMAND
464815534712OLDENBURG GROUP INCORPORATEDDBA OLDENBURG - LAKE SHORE
Technical Data | NSN 3040-01-166-6778
Characteristic Specifications
SURFACE FINISH16.0 MICROINCHES
FIRST END DIAMETER2.1250 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE CIRCULAR GROOVED
SECOND END KEYWAY WIDTH0.5000 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM
SECOND END EXTERNAL KEYWAY LENGTH8.500 INCHES NOMINAL
SECOND END KEYWAY DEPTH0.167 INCHES NOMINAL
SECOND END DIAMETER1.8750 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH1.125 INCHES NOMINAL
LARGEST STEP DIAMETER9.250 INCHES NOMINAL
OVERALL LENGTH28.938 INCHES NOMINAL
STEP QUANTITY6
SPECIAL FEATURESLARGEST DIA HAS SIX EQUALLY SPACED THD THRU HOLES WITH 0.500 IN. DIA ON A 7.750 IN. BOLT CIRCLE DIA