5305-00-958-1278 SCREW,CAP,SOCKET HEAD Index 5310-00-958-1284 NUT,PLAIN,ROUND

National Stock Number:
5305-00-958-1279

Federal Supply Class:
5305

National Item Identification Number:
009581279

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:
207MR081P00205030RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT
207MR081P0023B150RAYTHEON COMPANY
207MR081P00249956RAYTHEON COMPANY
207MR081P00254X10RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.361 INCHES NOMINAL
HEAD HEIGHT0.101 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNC


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