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National Stock Number:
5306-01-549-4086
Federal Supply Class:
5306
National Item Identification Number:
015494086
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:
| 0093728 | SZ177 | DENEL VEHICLE SYSTEMS | | ISO4017-M8X20-8.8-A2D | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | | R2002622 | SZ177 | DENEL VEHICLE SYSTEMS | | R2002622-AH00 | SZ177 | DENEL VEHICLE SYSTEMS |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 25.65 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 5.65 MILLIMETERS NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD (FORGED) ISO 4017 GRADE 8.8 | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | MINIMUM YIELD STRENGTH | 640 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | NONSTANDARD THREAD PITCH DIAMETER | +1.05 TO 1.25 MILLIMETERS | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES DESIGNATOR | M | | WIDTH BETWEEN FLATS | 13.0 MILLIMETERS NOMINAL |
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