5305-01-390-5839, SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-390-5839

Federal Supply Class:
5305

National Item Identification Number:
013905839

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.

Manufacturer Information:

6592699-1	356S3	MIL-SPEC FASTENERS INC
6592699-1	53711	NAVAL SEA SYSTEMS COMMAND
6692699-1	356S3	MIL-SPEC FASTENERS INC
CH187SU	3V499	PROSPECTIVE COMPUTER ANALYSTS INC
AF18X700	8R347	ASSEMBLY FASTENERS INC

Techincal Specification:

FASTENER LENGTH	7.000 INCHES NOMINAL
HARDNESS RATING	23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429, GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	92000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.000 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE 2 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.250 INCHES MINIMUM AND 2.438 INCHES MAXIMUM
THREAD QUANTITY PER INCH	8
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM

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