5306-01-038-8321, BOLT,MACHINE

National Stock Number:
5306-01-038-8321

Federal Supply Class:
5306

National Item Identification Number:
010388321

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:

114S3707-5	77272	THE BOEING COMPANY
114S3862-2	77272	THE BOEING COMPANY

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.454 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
FASTENER LENGTH	1.454 INCHES MINIMUM AND 1.501 INCHES MAXIMUM
GRIP LENGTH	0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM
HEAD DIAMETER	0.6257 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM
HEAD HEIGHT	0.443 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
PROPRIETARY CHARACTERISTICS	PACS
WIDTH BETWEEN FLATS	0.6257 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	BAC 5709,77272 MFR REF SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT	CHROMIUM HEAD
THREAD CLASS	3A

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