5305-00-113-6663, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-113-6663

Federal Supply Class:
5305

National Item Identification Number:
001136663

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:

99-4407-03	99167	HAMILTON SUNDSTRAND CORPORATION
FFS86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJC
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.526 INCHES MINIMUM AND
	0.641 INCHES MAXIMUM
FASTENER LENGTH	0.609 INCHES MINIMUM AND
	0.641 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.303 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
HEAD HEIGHT	0.185 INCHES MINIMUM AND
	0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.156 INCHES MINIMUM AND
	0.159 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA	6 TYPE
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY TYPE OF THREADS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FFS86
THE MANUFACTURERS DATA
MANUFACTURERS CODE	99167
DESIGN CONTROL REFERENCE	99-4407-03

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