NSN 3040-01-138-0290

Part Details | SHOULDERED SHAFT

3040-01-138-0290 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: 5204674711 ITEM 4, 520-4674711 ITEM 4, 3040-01-138-0290, 01-138-0290, 3040011380290, 011380290

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30SEP 05, 198201-138-029022914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

TAPERED WITH FLAT

PLAIN

TAPERED WITH FLAT

Cross Reference | NSN 3040-01-138-0290
Part Number Cage Code Manufacturer
520-4674711 ITEM 480064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3040-01-138-0290
Characteristic Specifications
FIRST END STYLE5 PLAIN
SURFACE FINISH125.0 MICROINCHES
FIRST END KEYWAY WIDTH0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM
FIRST END EXTERNAL KEYWAY LENGTH1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
FIRST END KEYWAY DEPTH0.207 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
FIRST END DISTANCE FROM KEYWAY CENTER TO END0.907 INCHES MINIMUM AND 0.912 INCHES MAXIMUM
FIRST END DIAMETER1.5000 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE5 TAPERED WITH FLAT
SECOND END DIAMETER0.7000 INCHES NOMINAL
SECOND END HOLE DIAMETER0.2420 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM
SECOND END DISTANCE FROM HOLE CENTER TO END0.292 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
SECOND END EXTERNAL THREAD LENGTH0.875 INCHES NOMINAL
SECOND END HOLE DEPTH0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
LARGEST STEP DIAMETER1.250 INCHES NOMINAL
OVERALL LENGTH35.220 INCHES NOMINAL
STEP QUANTITY4