5305-01-197-3567, SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-197-3567

Federal Supply Class:
5305

National Item Identification Number:
011973567

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:

FF-S-85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51110-136	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	0.990 INCHES MINIMUM AND 1.072 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
HARDNESS RATING	235.0 BRINELL STANDARD MAXIMUM OVERALL
HEAD HEIGHT	0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 410 OR STEEL COMP 416 OR STEEL COMP 430 OVERALL
MINIMUM YIELD STRENGTH	40000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE
SHANK UNTHREADED HOLE DIAMETER	0.138 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A
THREAD LENGTH	1.049 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	18

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