5305-01-235-2012 SCREW,MACHINE Index 5305-01-235-2014 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-235-2013

Federal Supply Class:
5305

National Item Identification Number:
012352013

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:
NAS1189-5P50N80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.750 INCHES MINIMUM
FASTENER LENGTH3.031 INCHES MINIMUM AND
3.125 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OR
STEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8735 OR
STEEL COMP 6150 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.568 INCHES MINIMUM AND
0.635 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPELLET THREADS
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
SPECIFICATION/STANDARD DATA80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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