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		                             National Stock Number: 5305-01-599-5086
  Federal Supply Class: 5305
  National Item Identification Number: 015995086
  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:
 | 91253A642 | 39428 | MCMASTER-CARR SUPPLY CO |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.375 INCHES |  | THREAD QUANTITY PER INCH | 16 |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.250 INCHES MINIMUM AND |   | 1.813 INCHES MAXIMUM |  | FASTENER LENGTH | 3.750 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | OXIDE OVERALL |  | HEAD STYLE | FLAT COUNTERSUNK |  | HEAD DIAMETER | 0.781 INCHES NOMINAL |  | HEAD HEIGHT | 0.234 INCHES NOMINAL |  | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.219 INCHES NOMINAL |  | SPECIAL FEATURES | CLASS 10.9 ZINC YELLOW-CHROMATE PLATED STEEL HEX HEAD CAP SCREW |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | BLACK-OXIDE ALLOY STEEL FLAT HEAD SOCKET HEAD CAP SCREW |   
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