5306-01-393-0857, BOLT,MACHINE

National Stock Number:
5306-01-393-0857

Federal Supply Class:
5306

National Item Identification Number:
013930857

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:

3M1263-6-25	76301	THE BOEING COMPANY
93784-6-25	56878	SPS TECHNOLOGIES, LLC
PBF1626-6-25	27624	SPS TECHNOLOGIES LLC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.696 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.054 INCHES NOMINAL
FASTENER LENGTH	2.161 INCHES MINIMUM AND 2.191 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	1.562 INCHES NOMINAL
HEAD HEIGHT	0.337 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COBALT COMP MP-35-N OVERALL
MINIMUM TENSILE STRENGTH	145000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
WIDTH BETWEEN FLATS	0.043 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.614 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	24

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