Product Details | SHOULDERED SHAFT

3040-00-531-0660 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.

Part Alternates: 5310660, 3040-00-531-0660, 00-531-0660, 3040005310660, 005310660

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1960 00-531-0660

Drawings & Photos | NSN 3040-00-531-0660


Cross Reference | NSN 3040-00-531-0660

Part Number Cage Code Manufacturer
5310660 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 3040-00-531-0660

Characteristic Specifications
MATERIAL STEEL COMP 4140
SURFACE FINISH 63.0 MICROINCHES
FIRST END STYLE 1 PLAIN
FIRST END DIAMETER 0.5901 INCHES MINIMUM AND 0.5904 INCHES MAXIMUM
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 6 WOODRUFF KEYWAY
SECOND END KEYWAY WIDTH 0.0627 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH 0.612 INCHES NOMINAL
SECOND END DISTANCE FROM KEYWAY CENTER TO END 0.437 INCHES NOMINAL
SECOND END DIAMETER 0.5620 INCHES MINIMUM AND 0.5623 INCHES MAXIMUM
LARGEST STEP DIAMETER 0.6245 INCHES MINIMUM AND 0.6248 INCHES MAXIMUM
OVERALL LENGTH 2.812 INCHES NOMINAL
STEP QUANTITY 4
SPECIAL FEATURES RELIEF0.01 DEEP X 0.062 W 3 PLACES
III FSC APPLICATION DATA MOUNT,MACHINE GUN,.50 CAL.
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 5310660

Restrictions/Controls & Freight Information | NSN 3040-00-531-0660

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information