5310-00-851-5889 WASHER,RECESSED Index 5305-00-851-5892 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-851-5891

Federal Supply Class:
5305

National Item Identification Number:
008515891

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:
LL57XD26J303038LONG-LOK, LLC
LL5XD26J303038LONG-LOK, LLC


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.188 INCHES NOMINAL
HEAD DIAMETER0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.137 INCHES MINIMUM
THREAD CLASS3A
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


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