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National Stock Number:
5305-01-178-7409
Federal Supply Class:
5305
National Item Identification Number:
011787409
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:
| A102-18D | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | A102-18D | K1987 | BAE SYSTEMS PLC | | A102-18D | K4975 | UFC AEROSPACE EUROPE LIMITED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.407 INCHES MINIMUM AND | | 0.540 INCHES MAXIMUM | | FASTENER LENGTH | 2.300 INCHES MINIMUM AND | | 2.340 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | SURFACE TREATMENT | CADMIUM OVERALL | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND | | 0.115 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.339 INCHES MINIMUM AND | | 0.344 INCHES MAXIMUM |
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