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National Stock Number:
5305-01-549-4086
Federal Supply Class:
5305
National Item Identification Number:
015494086
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:
| 0015762 | S3002 | GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH | | 0093728 | SZ177 | DENEL VEHICLE SYSTEMS | | R2002622 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | 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:
| THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 25.65 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.25 | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | NONSTANDARD THREAD PITCH DIAMETER | 1.05 TO 1.25 MILLIMETERS | | SURFACE TREATMENT | ZINC OVERALL | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | MINIMUM YIELD STRENGTH | 640 MEGAPASCALS | | HEAD HEIGHT | 5.65 MILLIMETERS NOMINAL | | WIDTH BETWEEN FLATS | 13.0 MILLIMETERS NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD (FORGED) ISO 4017 GRADE 8.8 |
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