5306-01-172-5554 BOLT,SELF-LOCKING Index 5305-01-172-5556 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-172-5555

Federal Supply Class:
5305

National Item Identification Number:
011725555

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:
M62CRA616-16E26233NYLOK LLC
NM162CR616K16E26233NYLOK LLC


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD DIAMETER0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.845 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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