5305-00-838-7325, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-838-7325

Federal Supply Class:
5305

National Item Identification Number:
008387325

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:

52W1781-7	94198	BLISS E W CO
FFS86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
M63FS813-12CR	26233	NYLOK LLC
MIL-F-18240E	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.851 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD HEIGHT	0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HEAD STYLE	ROUND
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
NONDEFINITIVE SPEC/STD DATA	8 TYPE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.580 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.312 INCHES NOMINAL

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