5305-00-131-7040, SCREW,CAP,HEXAGON HEAD

3040-00-131-7041 GEARSHAFT,MULTIPLE GEARS

National Stock Number:
5305-00-131-7040

Federal Supply Class:
5305

National Item Identification Number:
001317040

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:

B1821BH031C100D	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B1821BH031C100D	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FFS85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS18154-34	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY HOLE IN HEAD
FASTENER LENGTH	0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.062 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE AND 8 GRADE
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.814 INCHES MINIMUM AND 0.844 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNC

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