5305-00-647-3395 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-647-3403 SCREW,MACHINE

National Stock Number:
5305-00-647-3400

Federal Supply Class:
5305

National Item Identification Number:
006473400

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:
207-1041P233B150RAYTHEON COMPANY
207-1041P2349956RAYTHEON COMPANY
907193518876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESIX SPLINE
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
SPLINE MAJOR DIAMETER0.147 INCHES NOMINAL
SPLINE MINOR DIAMETER0.126 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONYA29 FSCM 61008 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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