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National Stock Number:
5305-01-576-6199
Federal Supply Class:
5305
National Item Identification Number:
015766199
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:
| B1821BH075C375L | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| FASTENER LENGTH | 3.750 INCHES NOMINAL | | HEAD HEIGHT | 0.455 NOMINAL MILS AND 0.483 NOMINAL CENTIMETERS | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-354 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD CAP SCREW, 3/4-10 X 3.750, UNC 2A | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SPECIAL FEATURES | SELF LOCKING FEATURE | | WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNC |
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