5305-01-227-2776 SCREW,CAP,SOCKET HEAD Index 5305-01-227-2778 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-227-2777

Federal Supply Class:
5305

National Item Identification Number:
012272777

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:
538152810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
538152853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.234 INCHES MINIMUM AND
1.281 INCHES MAXIMUM
FASTENER LENGTH1.726 INCHES MINIMUM AND
1.781 INCHES MAXIMUM
HARDNESS RATING51.0 ROCKWELL C NOMINAL OVERALL
MINIMUM TENSILE STRENGTH225000 POUNDS PER SQUARE INCH
HEAD STYLEPAN NO. 2
HEAD DIAMETER0.735 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.371 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE53711
DESIGN CONTROL REFERENCE5381528


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