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		                             National Stock Number: 5305-01-414-0277
  Federal Supply Class: 5305
  National Item Identification Number: 014140277
  Description: SETSCREW
  Detail: An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads. 
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  Manufacturer Information:
 | 3254-6 ITEM 79 | 95402 | ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC |  | 3254-6 ITEM 79 | 96169 | ELECTRIC BOAT CORPORATION |  | FF-S-210 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | FASTENER LENGTH | 1.000 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | ZINC OVERALL |  | HEAD STYLE | HEADLESS (SETSCREW) |  | INTERNAL DRIVE STYLE | SLOT |  | POINT STYLE | CUP |  | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND |   | 4 STYLE |   
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