5306-01-393-0820, BOLT,MACHINE

National Stock Number:
5306-01-393-0820

Federal Supply Class:
5306

National Item Identification Number:
013930820

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:

ST2854-026

77445

RTX CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.702 INCHES NOMINAL FIRST HOLE
EXTENDED WASHER DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM
FASTENER LENGTH	0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
HEAD HEIGHT	0.268 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.250 INCHES NOMINAL
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES GRIP
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.762 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	32

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