NSN 3040-00-003-0512

Part Details | SHOULDERED SHAFT

3040-00-003-0512 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: A51M2060313, A51M20603-13, A51M2060313, A51M20603-13, 3040-00-003-0512, 00-003-0512, 3040000030512, 000030512

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAY 17, 197200-003-051222914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

SHAFT,SHOULDERED | 3040-00-003-0512, 000030512

FLAT KEYWAY

SHAFT,SHOULDERED | 3040-00-003-0512, 000030512

PLAIN

SHAFT,SHOULDERED | 3040-00-003-0512, 000030512

FLAT KEYWAY

SHAFT,SHOULDERED | 3040-00-003-0512, 000030512
Cross Reference | NSN 3040-00-003-0512
Part Number Cage Code Manufacturer
A51M20603-1326512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
A51M20603-1361174NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 3040-00-003-0512
Characteristic Specifications
FIRST END STYLE8 PLAIN
MATERIAL STEEL
FIRST END DIAMETER0.3745 INCHES NOMINAL
FIRST END SPLINE LENGTH0.8500 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER0.2813 INCHES MAXIMUM
FIRST END SPLINE MAJOR DIAMETER0.3745 INCHES MAXIMUM
FIRST END PITCH DIAMETER0.3438 INCHES NOMINAL
FIRST END PRESSURE ANGLE30.0 DEGREES NOMINAL
FIRST END SPLINE QUANTITY10
END SIMILARITY NOT IDENTICAL
SECOND END STYLE0 FLAT KEYWAY
SECOND END GROOVE DIAMETER0.1910 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE3.3600 INCHES NOMINAL
SECOND END DIAMETER0.2500 INCHES MAXIMUM
SECOND END EXTERNAL THREAD LENGTH0.2500 INCHES NOMINAL
LARGEST STEP DIAMETER0.5000 INCHES NOMINAL
OVERALL LENGTH4.8600 INCHES NOMINAL
STEP QUANTITY13