5305-01-356-8410 SCREW,CAP,SOCKET HEAD Index 5305-01-356-8412 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-356-8411

Federal Supply Class:
5305

National Item Identification Number:
013568411

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:
0.500-13UNC3AX1.250NICU81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
FFS86,TY481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
FFS86TY40.500-13UNC3AX1.250NICU81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.845 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQN281,CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.872 INCHES MINIMUM AND
0.938 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND
84.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.312 INCHES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFS86,TY4
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE0.500-13UNC3AX1.250NICU


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