5305-00-066-8130, SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-00-066-8130

Federal Supply Class:
5305

National Item Identification Number:
000668130

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:

10387611	A486G	NIMIKKEISTOKESKUS NCB FINLAND
B1821BH088F300N	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B1821BH088F300N	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS90726-213	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS90727-213	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	2.812 INCHES MINIMUM AND 3.000 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.875 INCHES
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE AND 8 GRADE
WIDTH BETWEEN FLATS	1.285 INCHES MINIMUM AND 1.313 INCHES MAXIMUM
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	2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNF

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