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National Stock Number:
5305-01-074-5450
Federal Supply Class:
5305
National Item Identification Number:
010745450
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:
| 812 | 57648 | LAWSON PRODUCTS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 3.500 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | MATERIAL | STEEL COMP 1541 OVERALL | | MINIMUM YIELD STRENGTH | 120000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 154000 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | COLD FORGED;PROTECTED BY PERMA PLATE FINISH;DOUBLE HEAT TREATED;50 PER PKG | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 81343-GRADE 6 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
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