5310-01-467-4649 WASHER,SHOULDERED Index 5310-01-467-4651 WASHER,FLAT

National Stock Number:
5305-01-467-4650

Federal Supply Class:
5305

National Item Identification Number:
014674650

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:
1297631519200US ARMY ARDEC RDECOM
501-350-119200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH0.210 INCHES NOMINAL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
HEAD DIAMETER0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.086 INCHES
SPECIAL FEATURESALTERED FROM MS16995-2
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.210 INCHES NOMINAL
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


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