5305-01-731-0918 SCREW,CAP,SOCKET HEAD 5305-01-731-0991 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-731-0981

Federal Supply Class:
5305

National Item Identification Number:
017310981

Description:
SCREW,CLOSE TOLERANCE


Manufacturer Information:
NA0123A05001280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM
FASTENER LENGTH20.7 MILLIMETERS MINIMUM AND 21.3 MILLIMETERS MAXIMUM
GRIP DIAMETER4.965 MILLIMETERS MINIMUM AND 4.990 MILLIMETERS MAXIMUM
GRIP LENGTH11.8 MILLIMETERS MINIMUM AND 12.2 MILLIMETERS MAXIMUM
HARDNESS RATING
HEAD DIAMETER7.80 MILLIMETERS NOMINAL
HEAD HEIGHT1.19 MILLIMETERS NOMINAL
HEAD STYLEOVAL COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIALUNABLE TO DECODE
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CLOSE TOLERANCE, 100 DEGREE REDUCED CROWN HEAD, OFFSET CRUCIFORM RECESS, ALLOY STEEL, 660 MPA SHEAR, METRIC
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
SPECIFICATION/STANDARD DATA80205-NA0123 NATIONAL STD/SPEC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
SURFACE TREATMENTUNABLE TO DECODE
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS0.8
THREAD SERIES DESIGNATORMJ
THREAD LENGTH9.0 MILLIMETERS NOMINAL


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