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National Stock Number:
5305-01-318-5235
Federal Supply Class:
5305
National Item Identification Number:
013185235
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:
| 10551444 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 70.0 MILLIMETERS MINIMUM AND 67.0 MILLIMETERS MAXIMUM FIRST HOLE | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 75.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 8.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN933 8.8 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | SHANK UNTHREADED HOLE DIAMETER | 3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 19.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 71.5 MILLIMETERS MINIMUM AND 75.0 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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