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National Stock Number:
5305-01-252-7249
Federal Supply Class:
5305
National Item Identification Number:
012527249
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:
| 35A21C228P | 23094 | OCEAN TECHNOLOGY INC | | 35A2C228P | 0AT62 | SIEMENS ENERGY, INC. | | 35A2C228P | 23094 | OCEAN TECHNOLOGY INC | | 35A2C228P | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 35A2C228P | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 0.096 INCHES MINIMUM AND | | 3.250 INCHES MAXIMUM | | FASTENER LENGTH | 3.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | SURFACE TREATMENT | CADMIUM OVERALL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
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