5310-00-902-8131 WASHER,RECESSED Index 5305-00-902-8137 SCREW,MACHINE

National Stock Number:
5305-00-902-8133

Federal Supply Class:
5305

National Item Identification Number:
009028133

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:
NK526DD632R1426233NYLOK LLC


Techincal Specification:
FASTENER LENGTH0.875 INCHES NOMINAL
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM
HEAD HEIGHT0.086 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MINIMUM TENSILE STRENGTH620000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES MINIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32


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