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		                        | National Stock Number:
 5305-01-277-2084
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 012772084
 
 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:
 
 | GYK3-8 | 0B9R9 | MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION |  | GYK3-8 | 25500 | LOCKHEED MARTIN CORPORATION |  | GYK3-8 | 56878 | SPS TECHNOLOGIES, LLC | 
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 Techincal Specification:
 
 | FASTENER LENGTH | 0.500 INCHES NOMINAL |  | HEAD STYLE | FLAT COUNTERSUNK |  | INTERNAL DRIVE STYLE | HEXAGON |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES DESIGNATOR | UNF | 
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