5305-00-406-2280 SCREW,CAP,HEXAGON HEAD Index 5305-00-406-2282 SCREW

National Stock Number:
5305-00-406-2281

Federal Supply Class:
5305

National Item Identification Number:
004062281

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:
275804R10SAT8KOMATSU AMERICA CORP.
275804R129510KOMATSU AMERICAN INTL CO
275804R131007NAVISTAR INTL CORP
275804R145RP7DRESSTA NORTH AMERICA LTD
275804R192679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/


Techincal Specification:
FASTENER LENGTH3.000 INCHES NOMINAL
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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