5306-01-398-8609 BOLT,MACHINE Index 5306-01-398-8611 BOLT,MACHINE

National Stock Number:
5306-01-398-8610

Federal Supply Class:
5306

National Item Identification Number:
013988610

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:
MS9698-1196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FASTENER LENGTH0.938 INCHES NOMINAL
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY UNS N07001 OVERALL
NOMINAL THREAD DIAMETER0.3125 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM


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