5305-01-071-3388 SCREW,CAP,SOCKET HEAD Index 5305-01-071-3391 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-071-3390

Federal Supply Class:
5305

National Item Identification Number:
010713390

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:
A320A186-021088818KEARFOTT CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH56
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.130 INCHES MINIMUM AND
0.171 INCHES MAXIMUM
FASTENER LENGTH0.166 INCHES MINIMUM AND
0.171 INCHES MAXIMUM
MATERIALSTEEL COMP 410 OR
STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR
ASTM A582 COND A ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
HEAD STYLEBUTTON
HEAD DIAMETER0.154 INCHES MINIMUM AND
0.164 INCHES MAXIMUM
HEAD HEIGHT0.038 INCHES MINIMUM AND
0.046 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.050 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES THREADS


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