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		                        | National Stock Number:
 5305-01-080-4973
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010804973
 
 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:
 
 | 0628V101 | 56010 | HARNISCHFEGER CORP PORTAL CRANE PARTS DIV |  | 91251A800 | 39428 | MCMASTER-CARR SUPPLY CO |  | NAS1352-10-28 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNRC |  | NOMINAL THREAD DIAMETER | 0.625 INCHES |  | THREAD QUANTITY PER INCH | 11 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.508 INCHES MINIMUM AND |  |  | 1.750 INCHES MAXIMUM |  | FASTENER LENGTH | 1.690 INCHES MINIMUM AND |  |  | 1.750 INCHES MAXIMUM |  | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | OXIDE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND |  |  | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |  | MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.921 INCHES MINIMUM AND |  |  | 0.937 INCHES MAXIMUM |  | HEAD HEIGHT | 0.616 INCHES MINIMUM AND |  |  | 0.625 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.500 INCHES MINIMUM AND |  |  | 0.505 INCHES MAXIMUM |  | SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
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