5306-01-574-3746 BOLT,MACHINE Index 5306-01-574-3957 BOLT,MACHINE

National Stock Number:
5306-01-574-3926

Federal Supply Class:
5306

National Item Identification Number:
015743926

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:
30044R1338X5ND DEFENSE LLC
ESP-BM-1.101-GS338X5ND DEFENSE LLC
ESP-BM-1.121-PP338X5ND DEFENSE LLC


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
HEAD HEIGHT7.2 MILLIMETERS MINIMUM AND 7.8 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONCEMS A-31 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,HH M12 X 40 PHC CLASS 10.
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
WIDTH BETWEEN FLATS17.7 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCEMS G-1. CLASS B-2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH30.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.8


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