5306-01-321-4900, BOLT,MACHINE

5305-01-321-4901 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-321-4900

Federal Supply Class:
5306

National Item Identification Number:
013214900

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:

NAS1008-3

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.015 INCHES MINIMUM AND
	1.045 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
THREAD LENGTH	0.842 INCHES NOMINAL
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	ASM5732 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT	0.265 INCHES MINIMUM AND
	0.297 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.741 INCHES MINIMUM AND
	0.751 INCHES MAXIMUM
GRIP LENGTH	0.178 INCHES MINIMUM AND
	0.198 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.787 INCHES MINIMUM AND
	0.807 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND
	0.116 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPECIFICATION/STANDARD DATA	80205-NAS1008 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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