5955-00-138-7038 CRYSTAL UNIT,QUARTZ Index 5305-00-138-7041 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-138-7040

Federal Supply Class:
5305

National Item Identification Number:
001387040

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:
16990L94C656878SPS TECHNOLOGIES, LLC


Techincal Specification:
COUNTERSINK ANGLE81.0 DEGREES NOMINAL
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.218 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.112 INCHES
WIDTH ACROSS FLATS0.062 INCHES NOMINAL
THREAD LENGTH0.168 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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