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National Stock Number:
5305-00-498-4575
Federal Supply Class:
5305
National Item Identification Number:
004984575
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:
| 203-3PCS41-42 | 16640 | DEFOE SHIPBUILDING CO |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.813 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM | | HEAD DIAMETER | 1.312 INCHES MAXIMUM | | HEAD HEIGHT | 1.000 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 0000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.187 INCHES NOMINAL FIRST HOLE | | WIDTH ACROSS FLATS | 0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM | | SURFACE FINISH | 40.0 MICROINCHES GRIP | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNC |
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