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		                             National Stock Number: 5305-01-601-1672
  Federal Supply Class: 5305
  National Item Identification Number: 016011672
  Description: SCREW,CAP,SOCKET HEAD
  Detail: An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE. 
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  Manufacturer Information:
 | 91290A139 | 39428 | MCMASTER-CARR SUPPLY CO |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | M |  | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |  | THREAD PITCH IN MILLIMETERS | 0.7 |  | THREAD CLASS | 5G, 6G |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 6.0 MILLIMETERS NOMINAL |  | FASTENER LENGTH | 6.0 MILLIMETERS NOMINAL |  | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |  | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 174000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT FILLISTER |  | HEAD DIAMETER | 7.0 MILLIMETERS NOMINAL |  | HEAD HEIGHT | 4.0 MILLIMETERS NOMINAL |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 3.0 MILLIMETERS NOMINAL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET HEAD CAP SCREW |   
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