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National Stock Number: 5305-01-197-3409
Federal Supply Class: 5305
National Item Identification Number: 011973409
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:
SC-2021-4 | 66796 | BRUNSON INSTRUMENT COMPANY |
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Techincal Specification:
FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | HEAD DIAMETER | 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM | HEAD HEIGHT | 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | HEAD STYLE | BINDING | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL OVERALL | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | PROPRIETARY CHARACTERISTICS | PACS | NOMINAL THREAD DIAMETER | 0.138 INCHES | WIDTH ACROSS FLATS | 0.109 INCHES NOMINAL | THREAD LENGTH | 0.158 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD QUANTITY PER INCH | 32 | THREAD SERIES DESIGNATOR | UNC |
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