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		                        | National Stock Number:
 5305-99-121-2084
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 991212084
 
 Description:
 SCREW,MACHINE
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 Manufacturer Information:
 
 | 1C | K7766 | BRITISH STANDARDS INSTITUTION |  | 28DU17370 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |  | A114-1C | F0754 | SAFRAN MARTIN-BAKER FRANCE |  | A114-1C | K7766 | BRITISH STANDARDS INSTITUTION |  | A114 | K7766 | BRITISH STANDARDS INSTITUTION |  | A114-1-C | K7766 | BRITISH STANDARDS INSTITUTION |  | B14735 | K0967 | MBDA UK LTD |  | A114-1C | KCF40 | ANIXTER LTD | 
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 Techincal Specification:
 
 | FASTENER LENGTH | 0.550 INCHES NOMINAL |  | HEAD DIAMETER | 0.364 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |  | HEAD HEIGHT | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |  | HEAD STYLE | BUTTON |  | INTERNAL DRIVE STYLE | SLOT |  | NOMINAL THREAD DIAMETER | 0.164 INCHES |  | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | K7766-BS S80 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |  | SCREW MATERIAL | STEEL CORROSION RESISTING |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.357 INCHES NOMINAL |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES DESIGNATOR | UNC | 
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