5306-00-207-4980 BOLT,EXTERNALLY RELIEVED BODY Index 5305-00-207-4991 SCREW,MACHINE

National Stock Number:
5305-00-207-4989

Federal Supply Class:
5305

National Item Identification Number:
002074989

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:
MS24677-1780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24677-1796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
P18D3244-179500WESTINGHOUSE ELECTRIC CORP
P18D3244-183843SUNDSTRAND CORP ELECTRIC POWER SYSTEMS DIV
P18D3244-199167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.658 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
FASTENER LENGTH0.720 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.262 INCHES MINIMUM AND
0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND
0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.140 INCHES MINIMUM AND
0.142 INCHES MAXIMUM
HOLE CONFIGURATION STYLEROUND
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.047 INCHES NOMINAL


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