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National Stock Number:
5305-01-547-8978
Federal Supply Class:
5305
National Item Identification Number:
015478978
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| ISO4017 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | | ISO4017-M12X25-8,8-A2D | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | | R2002696 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | ISO4017-M12X25-8.8-A2D | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | | R2002696 | SZ177 | DENEL VEHICLE SYSTEMS | | R2002696-AH00 | SZ177 | DENEL VEHICLE SYSTEMS |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 33.18 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 7.5 MILLIMETERS NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW HEX HEAD (FORGED) ISO 4017 GRADE 8.8 | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | MINIMUM YIELD STRENGTH | 640 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | NONSTANDARD THREAD PITCH DIAMETER | +1.50 TO 1.75 MILLIMETERS | | SPECIAL FEATURES | MRAP | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 25.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 25.0 | | THREAD SERIES DESIGNATOR | M | | WIDTH BETWEEN FLATS | 18.0 MILLIMETERS NOMINAL |
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