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National Stock Number:
5305-00-598-7300
Federal Supply Class:
5305
National Item Identification Number:
005987300
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:
| 27540R1 | 55820 | RTX CORPORATION | | 27540R1 | 66195 | SOLAR TURBINES INCORPORATED | | PWA52742-3 | 77445 | RTX CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.625 INCHES NOMINAL | | HARDNESS RATING | 81.7 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 2400-3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400-3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
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