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		                             National Stock Number: 5310-01-058-5538
  Federal Supply Class: 5310
  National Item Identification Number: 010585538
  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:
 | 5310PL0748490 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |  | MS21085L07 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | RMLH10726-7 | 019L2 | ESNA, LLC |  | RMLH10726-7 | 72962 | HARVARD INDUSTRIES INC |   
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  Techincal Specification:
 | THREAD SERIES | UNF |  | NOMINAL THREAD SIZE | 0.438 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 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 48.0 ROCKWELL C MAXIMUM |  | NUT STYLE | DOUBLE HEXAGON |  | WASHER OUTSIDE DIAMETER | 0.821 INCHES MAXIMUM |  | OVERALL HEIGHT | 0.570 INCHES MAXIMUM |  | WASHER THICKNESS | 0.057 INCHES MINIMUM |  | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |  | LUBRICATION | DRY FILM LUBRICANT |  | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |  | SPECIAL FEATURES | WRENCHING FACILITY PER MS33787-18 |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 96906 |  | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21085L07 |   
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