5306-00-638-4793, BOLT,MACHINE

National Stock Number:
5306-00-638-4793

Federal Supply Class:
5306

National Item Identification Number:
006384793

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

900947K1	06840	BENDIX CORP THE
900947K1	06848	HONEYWELL INTERNATIONAL INC
AN5-42	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN5H42	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
AN5H42	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
NASM6812AN5-42	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.171 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	4.344 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	3.812 INCHES NOMINAL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.070 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS	0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.532 INCHES MINIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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