1610-00-917-8985 BLOCK,PITCH CHANGE Index 5330-00-917-8989 GASKET SET

National Stock Number:
5305-00-917-8988

Federal Supply Class:
5305

National Item Identification Number:
009178988

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:
LL22H40SJ503038LONG-LOK, LLC
LL505-4-503038LONG-LOK, LLC


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.312 INCHES NOMINAL
HEAD DIAMETER0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPATCH OR DETENT BALL THREADS
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.312 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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