5305-00-637-6906 SCREW,CAP,HEXAGON HEAD Index 5305-00-637-6931 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-637-6921

Federal Supply Class:
5305

National Item Identification Number:
006376921

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:
2957711599TRIUMPH ENGINE CONTROL SYSTEMS LLC
333S60506840BENDIX CORP THE
333S60506848HONEYWELL INTERNATIONAL INC
33S60506848HONEYWELL INTERNATIONAL INC


Techincal Specification:
FASTENER LENGTH0.320 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE DIAMETER0.031 INCHES NOMINAL
HOLE QUANTITY4
HOLE TYPEDRILLED
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 416SE OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.258 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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