NSN 3040-01-321-9972

Part Details | SHOULDERED SHAFT

3040-01-321-9972 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: 5544241, 5544241, 3040-01-321-9972, 01-321-9972, 3040013219972, 013219972

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JUN 27, 199001-321-997222914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

PLAIN

Cross Reference | NSN 3040-01-321-9972
Part Number Cage Code Manufacturer
554424105606GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON)
554424153711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-321-9972
Characteristic Specifications
FIRST END STYLE PLAIN
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5659 ASSN STD SINGLE MATERIAL RESPONSE
FIRST END DIAMETER1.3700 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE8 PLAIN
SECOND END DIAMETER0.6244 INCHES NOMINAL
SECOND END SPLINE LENGTH1.1300 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.5190 INCHES NOMINAL
SECOND END PITCH DIAMETER0.5938 INCHES NOMINAL
SECOND END PRESSURE ANGLE30.0 DEGREES NOMINAL
SECOND END SPLINE QUANTITY19
LARGEST STEP DIAMETER1.3700 INCHES NOMINAL
OVERALL LENGTH3.8500 INCHES NOMINAL
STEP QUANTITY3