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National Stock Number:
5305-01-496-5993
Federal Supply Class:
5305
National Item Identification Number:
014965993
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:
| IS0401/10.9 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | ISO4017-M20X90-10.9 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | ISO4017-M20X90-10.9 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 89.3 MILLIMETERS MINIMUM AND 90.7 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 12.29 MILLIMETERS MINIMUM AND 12.72 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | WIDTH BETWEEN FLATS | 29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 82.5 MILLIMETERS MINIMUM AND 87.5 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 2.5 | | THREAD SERIES DESIGNATOR | M |
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