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		                        | National Stock Number:
 5310-01-022-2186
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 010222186
 
 Description:
 NUT,PLAIN,EXTENDED WASHER,DOUBLE
 
 Detail:
 A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY.
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 Manufacturer Information:
 
 | 11572-4 | 72962 | HARVARD INDUSTRIES INC |  | 74384-4 | 56878 | SPS TECHNOLOGIES, LLC |  | 74384-4M | 56878 | SPS TECHNOLOGIES, LLC |  | 74384M4 | 56878 | SPS TECHNOLOGIES, LLC |  | SR3M612C4M | 56878 | SPS TECHNOLOGIES, LLC |  | ST3M612C4 | 76301 | THE BOEING COMPANY |  | ST3M612C4M | 56878 | SPS TECHNOLOGIES, LLC |  | ST3M612C4M | 76301 | THE BOEING COMPANY | 
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 Techincal Specification:
 
 | THREAD SERIES | UNJF |  | NOMINAL THREAD SIZE | 0.250 INCHES |  | THREAD QUANTITY PER INCH | 28 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | NICKEL ALLOY 718 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | NUT STYLE | DOUBLE HEXAGON |  | WASHER OUTSIDE DIAMETER | 0.418 INCHES MINIMUM |  | OVERALL HEIGHT | 0.315 INCHES MAXIMUM |  | WASHER THICKNESS | 0.130 INCHES NOMINAL |  | WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND |  |  | 0.376 INCHES MAXIMUM |  | SPECIAL FEATURES | SIX SLOTS EQUALLY SPACED ON THE WRENCHING FLATS | 
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