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		                        | National Stock Number:
 5310-01-092-1130
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 010921130
 
 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:
 
 | LH11995-7 | 019L2 | ESNA, LLC |  | LH11995-7 | 72962 | HARVARD INDUSTRIES INC |  | MS14164-07 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | MS14164-07 | 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 | 0.438 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | STEEL COMP H11 OR |  |  | STEEL COMP 601 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD 1ST MATERIAL RESPONSE OR |  |  | AMS6485 ASSN STD 2ND MATERIAL RESPONSE OR |  |  | AMS 6487 ASSN STD 2ND MATERIAL RESPONSE 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 | 0.750 INCHES MAXIMUM |  | OVERALL HEIGHT | 0.520 INCHES MAXIMUM |  | WASHER THICKNESS | 0.085 INCHES MINIMUM |  | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |  | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |  | SPECIAL FEATURES | WRENCHING FACILITY PER MS33787 | 
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