5305-00-940-9517, SCREW,CAP,HEXAGON HEAD

5306-00-940-9520 BOLT,INTERNAL WRENCHING

National Stock Number:
5305-00-940-9517

Federal Supply Class:
5305

National Item Identification Number:
009409517

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:

5263112	19204	ARMY, UNITED STATES DEPARTMENT OF THE
5305009409517	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
FFS85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51106-421	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.874 INCHES MINIMUM AND 3.088 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	3.156 INCHES MINIMUM AND 3.250 INCHES MAXIMUM
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE AND 5 GRADE
SHANK UNTHREADED HOLE DIAMETER	0.105 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A
THREAD LENGTH	1.438 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20

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