4820-01-548-2489 VALVE,SAFETY RELIEF Index 5935-01-548-2491 CONNECTOR,PLUG,ELECTRICAL

National Stock Number:
5305-01-548-2490

Federal Supply Class:
5305

National Item Identification Number:
015482490

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
ASTM A57405047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
S300NA42CAG29837ANQA105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYALLOY STEEL SOCKET-HEAD CAP SCREWS


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