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		                             National Stock Number: 5305-01-431-9987
  Federal Supply Class: 5305
  National Item Identification Number: 014319987
  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:
 | 01251502 | ZD484 | J. BLACKWOOD & SON PTY LTD |  | 01251502 | ZR910 | J BLACKWOOD & SON LTD |  | 456651004101 | 0000V | NCB HUNGARY HONVEDSEGI EGYSEGES TERMEKKOD |  | DIN7991-M8X30-8.8 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |  | M8X30 DIN7991 M8,8 | S9886 | HAMWORTHY KSE AB |  | M8X30 DIN7991 M8,8 | SJ648 | TTS MARINE AB FORMERLY TTS SHIPS EQUIPMENT AB DIV DRY CARGO HANDLING |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | M |  | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |  | THREAD PITCH IN MILLIMETERS | 1.25 |  | EXTERNAL THREAD TOLERANCE CLASS | 6G |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 22.0 MILLIMETERS MINIMUM |  | FASTENER LENGTH | 30.0 MILLIMETERS NOMINAL |  | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |  | HEAD STYLE | FLAT COUNTERSUNK |  | HEAD DIAMETER | 11.57 MILLIMETERS MINIMUM AND |   | 12.00 MILLIMETERS MAXIMUM |  | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL AND |   | 92.0 DEGREES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 5.02 MILLIMETERS MINIMUM AND |   | 5.14 MILLIMETERS MAXIMUM |   
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