5305-00-977-8827, SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-00-977-8827

Federal Supply Class:
5305

National Item Identification Number:
009778827

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:

7-118-304850	12361	GROVE U.S. LLC
B1821BH125C600N	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
MS90728-283	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	6.000 INCHES NOMINAL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAEJ429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.750 INCHES MINIMUM AND 3.105 INCHES MAXIMUM
THREAD QUANTITY PER INCH	7
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM

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