5306-01-555-8709 BOLT,U Index 5306-01-557-6753 BOLT,MACHINE

National Stock Number:
5306-01-556-6519

Federal Supply Class:
5306

National Item Identification Number:
015566519

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:
40249R1338X5ND DEFENSE LLC
40249R15F5P2ASF LOGISTICS, LLC
ESP-BM-3.101-GS338X5ND DEFENSE LLC
ESP-BM-3.221-NPP338X5ND DEFENSE LLC
40249R189346NAVISTAR INTL CORP TRUCK BR OHIO PLANT


Techincal Specification:
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
HEAD HEIGHT10.4 MILLIMETERS NOMINAL
HEAD STYLECHAMFER FLANGE
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,HEX FLG HD METRIC
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
SPECIAL FEATURESM8 HEAVY HEX FLANGE HEAD BOLT, GRADE 10.9
WIDTH BETWEEN FLATS13.0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH40.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.25
EXTENDED WASHER DIAMETER18.0 MILLIMETERS NOMINAL


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