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National Stock Number:
5305-01-264-8490
Federal Supply Class:
5305
National Item Identification Number:
012648490
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:
| 35A2-1C22P | 23094 | OCEAN TECHNOLOGY INC | | 35A2C22P | 0AT62 | SIEMENS ENERGY, INC. | | 35A2C22P | 23094 | OCEAN TECHNOLOGY INC | | 35A2C22P | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 35A2C22P | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
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Techincal Specification:
| FASTENER LENGTH | 4.750 INCHES NOMINAL | | HEAD HEIGHT | 0.281 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | WIDTH BETWEEN FLATS | 0.438 INCHES MINIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.650 INCHES MINIMUM AND 4.750 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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