NSN 3040-01-251-0557

Part Details | SHOULDERED SHAFT

3040-01-251-0557 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: 9377156, 3040-01-251-0557, 01-251-0557, 3040012510557, 012510557

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAR 11, 198701-251-055722914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

TONGUE

PLAIN

TONGUE

Cross Reference | NSN 3040-01-251-0557
Part Number Cage Code Manufacturer
937715619200US ARMY ARDEC RDECOM
Technical Data | NSN 3040-01-251-0557
Characteristic Specifications
FIRST END STYLE2 PLAIN
MATERIAL STEEL CORROSION RESISTING
FIRST END DIAMETER0.4375 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.640 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE4 TONGUE
SECOND END GROOVE WIDTH0.0470 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.4000 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE0.380 INCHES NOMINAL
SECOND END DIAMETER0.6300 INCHES NOMINAL
SECOND END SPLINE LENGTH0.380 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.4310 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.5420 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH0.250 INCHES NOMINAL
SECOND END DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS0.378 INCHES NOMINAL
SECOND END SPLINE QUANTITY12
LARGEST STEP DIAMETER0.630 INCHES NOMINAL
OVERALL LENGTH1.490 INCHES NOMINAL
STEP QUANTITY5
END ITEM IDENTIFICATIONM1,M1A1,GPS M1,GPS M1A1,XM1 GPS EXT