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		                             National Stock Number: 5310-00-176-6612
  Federal Supply Class: 5310
  National Item Identification Number: 001766612
  Description: NUT,SELF-LOCKING,EXTENDED WASHER
  Detail: A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member. 
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  Manufacturer Information:
 | MS51988-12 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |   
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  Techincal Specification:
 | THREAD SERIES | UNF |  | NOMINAL THREAD SIZE | 0.500 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | CADMIUM AND |   | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | NUT STYLE | HEXAGON |  | WASHER OUTSIDE DIAMETER | 1.000 INCHES MINIMUM AND |   | 1.031 INCHES MAXIMUM |  | OVERALL HEIGHT | 0.510 INCHES MAXIMUM |  | WASHER THICKNESS | 0.070 INCHES MINIMUM AND |   | 0.090 INCHES MAXIMUM |  | WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND |   | 0.752 INCHES MAXIMUM |  | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 96906 |  | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51988-12 |   
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