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National Stock Number: 5305-00-832-4089
Federal Supply Class: 5305
National Item Identification Number: 008324089
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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Techincal Specification:
FASTENER LENGTH | 0.250 INCHES NOMINAL | HARDNESS RATING | 35.0 ROCKWELL C NOMINAL OVERALL | HEAD DIAMETER | 0.183 INCHES NOMINAL | HEAD HEIGHT | 0.112 INCHES NOMINAL | HEAD STYLE | KNURLED NO. 4 | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL OVERALL | NOMINAL THREAD DIAMETER | 0.112 INCHES | WIDTH ACROSS FLATS | 0.078 INCHES NOMINAL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD CLASS | 3A | THREAD LENGTH | 0.250 INCHES MINIMUM | THREAD DIRECTION | RIGHT-HAND | THREAD QUANTITY PER INCH | 40 | THREAD SERIES DESIGNATOR | UNC |
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