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		                             National Stock Number: 5310-01-463-1772
  Federal Supply Class: 5310
  National Item Identification Number: 014631772
  Description: NUT,SELF-LOCKING,EXTENDED WASHER
  Detail: A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member. 
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  Manufacturer Information:
 | 94288V918 | 56878 | SPS TECHNOLOGIES, LLC |  | BH00685V9 | 27238 | BRISTOL INDUSTRIES, LLC |  | HS4133V9 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |  | HS4133V9 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |  | H54656-9 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |  | HS4133V9 | 56878 | SPS TECHNOLOGIES, LLC |  | MC10009V9 | 0HL40 | MECAIR AEROSPACE INDUSTRIES SUBSIDIARY OF SPS TECHNOLOGIES DIV D SPS TECHNOLOGIES DBA MECAIR INC. |  | HS54656-9 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |  | SLN125V9 | 16258 | SPACE-LOK, INC. |  | PBF1447V9 | 27624 | SPS TECHNOLOGIES LLC |  | SII1262V9 | 57928 | SONIC INDUSTRIES, INC. |  | SII262V9 | 57928 | SONIC INDUSTRIES, INC. |  | HS4133V9 | 8V613 | THE BOEING COMPANY |   
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  Techincal Specification:
 | THREAD SERIES | UNJF |  | NOMINAL THREAD SIZE | 0.562 INCHES |  | THREAD QUANTITY PER INCH | 18 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | COBALT ALLOY OVERALL |  | SURFACE TREATMENT | CADMIUM AND |   | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 40.0 ROCKWELL C NOMINAL |  | NUT STYLE | DOUBLE HEXAGON |  | WASHER OUTSIDE DIAMETER | 1.055 INCHES MAXIMUM |  | OVERALL HEIGHT | 0.760 INCHES MAXIMUM |  | WASHER THICKNESS | 0.047 INCHES MINIMUM |  | WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND |   | 0.752 INCHES MAXIMUM |  | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |  | LUBRICATION | DRY FILM LUBRICANT |   
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