5306-01-077-8641 BOLT,INTERNALLY RELIEVED BODY Index 5305-01-077-8643 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-077-8642

Federal Supply Class:
5305

National Item Identification Number:
010778642

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:
416863-62696214RAYTHEON COMPANY
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH1.609 INCHES MINIMUM AND 1.656 INCHES MAXIMUM
HARDNESS RATING80.0 ROCKWELL B MAXIMUM OVERALL
HEAD DIAMETER0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 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 DIAMETER0.138 INCHES
NONDEFINITIVE SPEC/STD DATA6 TYPE
WIDTH ACROSS FLATS0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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