5305-01-071-7136 SCREW,CAP,SOCKET HEAD Index 5305-01-071-7138 SCREW,MACHINE

National Stock Number:
5305-01-071-7137

Federal Supply Class:
5305

National Item Identification Number:
010717137

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:
A320A247-010488818KEARFOTT CORPORATION


Techincal Specification:
FASTENER LENGTH0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 COND A ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OR STEEL COMP 416 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.073 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.152 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH64
WIDTH ACROSS FLATS0.062 INCHES NOMINAL


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