5310-00-052-1556 WASHER,FLAT Index 5330-00-052-1559 SEAL,PLAIN

National Stock Number:
5305-00-052-1557

Federal Supply Class:
5305

National Item Identification Number:
000521557

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:
LL525D8R803038LONG-LOK, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH36
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.375 INCHES MINIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
MATERIALALUMINUM ALLOY OVERALL
SURFACE TREATMENTANODIZE OVERALL
MINIMUM TENSILE STRENGTH62000 POUNDS PER SQUARE INCH
HEAD STYLEBUTTON
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.087 INCHES NOMINAL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPATCH OR
STRIP THREADS
THE MANUFACTURERS DATA
MANUFACTURERS CODE03038
DESIGN CONTROL REFERENCELL525D8R8


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