5305-00-637-8393 SCREW,CAP,SOCKET HEAD Index 5305-00-637-8400 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-637-8398

Federal Supply Class:
5305

National Item Identification Number:
006378398

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:
GS21-350C6X7-1624930L3HARRIS TECHNOLOGIES, INC
LL500D6-703038LONG-LOK, LLC
NK500C6-726233NYLOK LLC
SF33CRB632-7E03038LONG-LOK, LLC


Techincal Specification:
FASTENER LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD DIAMETER0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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