5306-00-803-7131, BOLT,MACHINE

National Stock Number:
5306-00-803-7131

Federal Supply Class:
5306

National Item Identification Number:
008037131

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:

MS9090-12

80205

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

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	FEAT
EXTENDED WASHER DIAMETER	0.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FASTENER LENGTH	1.000 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.125 INCHES NOMINAL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.375 INCHES NOMINAL
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER	0.070 INCHES NOMINAL
HOLE TYPE	DRILLED
HOLE QUANTITY	4
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SPECIAL FEATURES	MEETS THE Y REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS,MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM,DEATH OR SERIOUS INJURY.ACTION ID 45398730
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES MINIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM

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