5305-01-578-8012 SCREW,CAP,SOCKET HEAD Index 5305-01-578-8046 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-578-8027

Federal Supply Class:
5305

National Item Identification Number:
015788027

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
92620A91107BY4MCMASTER-CARR SUPPLY CO


Techincal Specification:
FASTENER LENGTH2.500 INCHES NOMINAL
HEAD HEIGHT0.547 INCHES NOMINAL
HEAD STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYGRADE 8 ZINC PLATED ALLOY STEEL HEX HEAD CAP SCREW
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES
SPECIAL FEATURESITEM GRADE/CLASS, GRADE IS 8
WIDTH BETWEEN FLATS1.312 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.500 INCHES NOMINAL
THREAD QUANTITY PER INCH9
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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