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National Stock Number:
5305-01-592-4295
Federal Supply Class:
5305
National Item Identification Number:
015924295
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-M20X45-10.9-A2R | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | | R2002729 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | R2002729 | SZ177 | DENEL VEHICLE SYSTEMS | | R2002729-AL00 | SZ177 | DENEL VEHICLE SYSTEMS |
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Techincal Specification:
| FASTENER LENGTH | 45.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 12.5 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW HEX HEAD M20X45 | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 6G | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 45.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 2.5 |
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