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National Stock Number:
5305-01-330-5212
Federal Supply Class:
5305
National Item Identification Number:
013305212
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:
| 23036269-238 | 16941 | LONG-LOK LLC | | 23036269-238 | 63005 | ROLLS-ROYCE CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 3.840 INCHES MINIMUM AND 4.000 INCHES MAXIMUM | | HEAD HEIGHT | 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | WIDTH BETWEEN FLATS | 1.4690 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.500 INCHES MINIMUM AND 2.812 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNRC |
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