5306-01-242-1077 BOLT,MACHINE Index 5306-01-242-1079 BOLT,MACHINE

National Stock Number:
5306-01-242-1078

Federal Supply Class:
5306

National Item Identification Number:
012421078

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:
25483H129510KOMATSU AMERICAN INTL CO
25483R10SAT8KOMATSU AMERICA CORP.
25483R129510KOMATSU AMERICAN INTL CO
25483R1338X5ND DEFENSE LLC
25483R15F5P2ASF LOGISTICS, LLC
25483R189346NAVISTAR INTL CORP TRUCK BR OHIO PLANT
ESP-B-1.101-GS338X5ND DEFENSE LLC
ESP-B-1.121-PP 338X5ND DEFENSE LLC
ESP-B-2.121-PP338X5ND DEFENSE LLC


Techincal Specification:
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONCEMS A-31, PART I, TYPE 8 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, 1/4 X 1 PHC TYPE 8
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCEMS G-1, CLASS B2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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