5305-01-270-8497 SCREW,MACHINE Index 5305-01-270-8499 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-270-8498

Federal Supply Class:
5305

National Item Identification Number:
012708498

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:
20097E-3C-12D56878SPS TECHNOLOGIES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.099 INCHES
THREAD QUANTITY PER INCH48
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.678 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
FASTENER LENGTH0.720 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.154 INCHES MINIMUM AND
0.161 INCHES MAXIMUM
HEAD HEIGHT0.095 INCHES MINIMUM AND
0.099 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
LOCKING FEATUREPATCH OR
STRIP THREADS


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