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National Stock Number:
5305-00-613-1401
Federal Supply Class:
5305
National Item Identification Number:
006131401
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:
| 011742 | D0078 | DIEHL DEFENCE GMBH & CO. KG | | 0444-126 | 06424 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 0444-126 | 56232 | LOCKHEED MARTIN CORPORATION | | SCREW4-40X1-4IN | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.180 INCHES NOMINAL | | HEAD HEIGHT | 0.110 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL | | MINIMUM TENSILE STRENGTH | 100000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | WIDTH ACROSS FLATS | 0.079 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.250 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 40 |
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