| 
                                    
                                 | 
                             
                            
                                
                                     
                                 | 
                             
		                    
		                        
		                             National Stock Number: 5310-01-487-4889
  Federal Supply Class: 5310
  National Item Identification Number: 014874889
  Description: NUT,PLAIN,HEXAGON
  Detail: A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.) 
		                         | 
		                     
		                    
		                        
                                    
  Manufacturer Information:
 | G60510 | 52142 | NATIONAL OILWELL VARCO INC DBA NATIONAL OILWELL |  | G95949 | 52142 | NATIONAL OILWELL VARCO INC DBA NATIONAL OILWELL |   
		                         | 
		                     
				            
					            
						            
  Techincal Specification:
 | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKNUT, HEX |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD SIZE | 0.500 INCHES |  | SPECIAL FEATURES | USED ON NON-DRIVE END, END FRAME |  | SURFACE TREATMENT | CADMIUM LOCKING INSERT |  | THREAD CLASS | 2B |  | THREAD QUANTITY PER INCH | 13 |  | THREAD SERIES | UNC |   
					             | 
				             
		                 
		             |