5306-00-838-0277 BOLT,MACHINE Index 5305-00-838-0280 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-838-0278

Federal Supply Class:
5305

National Item Identification Number:
008380278

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:
LL22N82S803038LONG-LOK, LLC
LL22R82S803038LONG-LOK, LLC


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.270 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8630 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.437 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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