NSN 3040-00-055-1997

Part Details | SHOULDERED SHAFT

3040-00-055-1997 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: 21795, 3040-00-055-1997, 00-055-1997, 3040000551997, 000551997

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JUN 01, 196700-055-199722914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

FLAT KEYWAY

CIRCULAR GROOVED

FLAT KEYWAY

CIRCULAR GROOVED

Cross Reference | NSN 3040-00-055-1997
Part Number Cage Code Manufacturer
2179560399REGAL-BELOIT CORPORATIONDBA FASCO GROUP DIV CASSVILLE
Technical Data | NSN 3040-00-055-1997
Characteristic Specifications
FIRST END STYLE0 FLAT KEYWAY
MATERIAL STEEL COMP 4340
FIRST END GROOVE WIDTH0.0940 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.4700 INCHES NOMINAL
FIRST END DISTANCE FROM END TO GROOVE0.541 INCHES NOMINAL
FIRST END DIAMETER0.5620 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.541 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE2 CIRCULAR GROOVED
SECOND END KEYWAY WIDTH0.0928 INCHES MINIMUM AND 0.0943 INCHES MAXIMUM
SECOND END EXTERNAL KEYWAY LENGTH0.151 INCHES NOMINAL
SECOND END DISTANCE FROM KEYWAY CENTER TO END1.188 INCHES NOMINAL
SECOND END DIAMETER0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
SECOND END INTERNAL THREAD LENGTH0.625 INCHES NOMINAL
LARGEST STEP DIAMETER0.7800 INCHES MINIMUM AND 0.8200 INCHES MAXIMUM
OVERALL LENGTH6.2200 INCHES NOMINAL
STEP QUANTITY3
FSC APPLICATION DATATURBINE AND FAN ASSEMBLY,COOLING SYSTEM,ENGINE,AIRCRAFT