5310-00-404-6288 WASHER,FLAT Index 5305-00-404-6290 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-404-6289

Federal Supply Class:
5305

National Item Identification Number:
004046289

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:
H66716010588818KEARFOTT CORPORATION


Techincal Specification:
FASTENER LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
HEAD DIAMETER0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.073 INCHES
WIDTH ACROSS FLATS0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.266 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THREAD QUANTITY PER INCH64
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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