5305-01-665-9970 SCREW,CLOSE TOLERANCE 5305-01-666-3268 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-666-1125

Federal Supply Class:
5305

National Item Identification Number:
016661125

Description:
SCREW,CAP,HEXAGON HEAD


Manufacturer Information:
AES01C250C25AW9A8605047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B18.24-200405047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS


Techincal Specification:
FASTENER LENGTH3.250 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL UNS K04100 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, HEX (FINISHED HEX BOLT)
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESPLAIN END - OPTIONAL-TYPE SELF-LOCKING
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM


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