3110-00-118-6257 BEARING,BALL,ANNULAR Index 5310-00-118-6259 WASHER,FLAT

National Stock Number:
5305-00-118-6258

Federal Supply Class:
5305

National Item Identification Number:
001186258

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:
70224210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.375 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESDRILLED HOLE IN HEAD ALONG LONGITUDINAL AXIS 0.281 IN. DIA. BY 0.250 IN. DEEP
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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