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National Stock Number:
5305-01-145-1195
Federal Supply Class:
5305
National Item Identification Number:
011451195
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:
| M4X8 DIN 931 ST | 21969 | ZELENDA MACHINE AND TOOLS CORP | | M4X8M 933 ST | 31949 | BROOKS AUTOMATION, INC. | | M4X8MMDIN933ST | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | M4X8MMDIN933ST | 21969 | ZELENDA MACHINE AND TOOLS CORP |
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Techincal Specification:
| FASTENER LENGTH | 8.00 MILLIMETERS NOMINAL | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 2.8 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN 931 8.8 FSCM 21969 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 113784 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 91000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | WIDTH BETWEEN FLATS | 7.0 MILLIMETERS NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 6.6 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 0.7 | | THREAD SERIES DESIGNATOR | M |
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