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National Stock Number:
5305-12-305-7892
Federal Supply Class:
5305
National Item Identification Number:
123057892
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:
| 115668 | D9913 | GENERAL DYNAMICS EUROPEAN LAND SYSTEMS-BRIDGE SYSTEMS GMBH | | DIN933-M20X20-8.8-A3P | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 255 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 336 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 12.5 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 830 NEWTONS PER SQUARE MILLIMETER | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | OFFSET YIELD STRENGTH | 660 NEWTONS PER SQUARE MILLIMETER | | WIDTH BETWEEN FLATS | 30.0 MILLIMETERS NOMINAL | | STRENGTH GRADE DESIGNATION | 8.8 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN267TEIL9, SCHLUESSEL A3P ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | TEST DATA DOCUMENT | D8286-DIN933 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 12.5 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 2.5 |
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