5305-01-284-5258 SCREW,CAP,SOCKET HEAD Index 5305-01-284-5260 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-284-5259

Federal Supply Class:
5305

National Item Identification Number:
012845259

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:
5338742-085-SS11828NORTH AMERICAN BOLT AND SCREW CO INC
5338742-085-SS15526METRIC AND MULTISTANDARD COMPONENTS CORP
5338742-085-SS2Y181ALL METRIC CO HI-STRENGTH BOLT CO
5338742-085-SS53711NAVAL SEA SYSTEMS COMMAND
5338742-085-SS56878SPS TECHNOLOGIES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH22.0 MILLIMETERS NOMINAL
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
MATERIALSTEEL COMP 316 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER12.73 MILLIMETERS MINIMUM AND
13.00 MILLIMETERS MAXIMUM
HEAD HEIGHT7.78 MILLIMETERS MINIMUM AND
8.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS6.03 MILLIMETERS MINIMUM AND
6.15 MILLIMETERS MAXIMUM
SURFACE FINISH3.0 MICROMETERS BEARING SURFACE OF HEAD


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