NSN 3040-01-301-4439

Part Details | SHOULDERED SHAFT

3040-01-301-4439 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: 3224182L1, 3224182, 3040-01-301-4439, 01-301-4439, 3040013014439, 013014439

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAY 28, 198901-301-443922914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

CIRCULAR GROOVED

SPLINED (STRAIGHT)

CIRCULAR GROOVED

SPLINED (STRAIGHT)

Cross Reference | NSN 3040-01-301-4439
Part Number Cage Code Manufacturer
3224182L103950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
322418253711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-301-4439
Characteristic Specifications
FIRST END STYLE CIRCULAR GROOVED
MATERIAL NICKEL ALLOY 400
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH32.0 MICROINCHES
FIRST END GROOVE WIDTH0.1250 INCHES NOMINAL
FIRST END GROOVE DIAMETER1.1230 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM
FIRST END DISTANCE FROM END TO GROOVE0.7490 INCHES NOMINAL
FIRST END DIAMETER1.1460 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM
END SIMILARITY NOT IDENTICAL
SECOND END STYLE SPLINED (STRAIGHT)
SECOND END DIAMETER0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
SECOND END SPLINE LENGTH2.2500 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.8270 INCHES MINIMUM AND 0.8370 INCHES MAXIMUM
SECOND END SPLINE MAJOR DIAMETER0.9985 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM
SECOND END SPLINE QUANTITY6
LARGEST STEP DIAMETER1.7500 INCHES NOMINAL
OVERALL LENGTH13.968 INCHES NOMINAL
STEP QUANTITY5
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY
END ITEM IDENTIFICATIONTORPEDO TUBE ASSEMBLY