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National Stock Number:
5306-01-373-3004
Federal Supply Class:
5306
National Item Identification Number:
013733004
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.
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Manufacturer Information:
| 310610F01 | 0EH43 | GRANDI MOTORI FINCANTIERI /FGGM/ DIV | | 310610F01 | 0VP52 | FINCANTIERI MARINE SYSTEMS NORTH AMERICA, INC. | | 76038F01 | 0VP52 | FINCANTIERI MARINE SYSTEMS NORTH AMERICA, INC. | | 76038F01 | A0106 | ISOTTA FRASCHINI MOTORI SPA | | 310610F01 | A0106 | ISOTTA FRASCHINI MOTORI SPA |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 243.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 14.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4135 OVERALL | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 29.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 180.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.5 |
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