5305-01-033-9056 SCREW,CAP,SOCKET HEAD Index 5305-01-033-9058 SCREW,SELF-LOCKING

National Stock Number:
5305-01-033-9057

Federal Supply Class:
5305

National Item Identification Number:
010339057

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:
BACB30EF8-606710VALLEY-TODECO, INC.
BACB30EF8-606725SPS TECHNOLOGIES, LLC
BACB30EF8-606950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30EF8-617943FEDERAL MANUFACTURING CORP
BACB30EF8-627624SPS TECHNOLOGIES LLC
BACB30EF8-656878SPS TECHNOLOGIES, LLC
BACB30EF8-681205THE BOEING COMPANY
BACB30EF8-69N513VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.720 INCHES MINIMUM AND
0.795 INCHES MAXIMUM
FASTENER LENGTH1.110 INCHES MINIMUM AND
1.155 INCHES MAXIMUM
MATERIALPLASTIC LOCKING FEATURE
STEEL FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7839 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTCADMIUM FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.935 INCHES MINIMUM AND
1.022 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPELLET OR
STRIP THREADS
THE MANUFACTURERS DATA
MANUFACTURERS CODE81205
DESIGN CONTROL REFERENCEBACB30EF8-6


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