NUT
P/N LH8743T7
PN 9235390-11
NSN 5310 00 458 2846
MFG HARVARD INDUSTRIES 
 
NEW GOV SURPLUS
SUPPLIER CGE CODE 03EF7
 
ITEM NAME:   NUT,SELF-LOCKING,EX
DEFINITION:  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.
            
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            3B                                               
THREAD DIRECTION                        RIGHT-HAND                                       
LOCKING FEATURE                         PREVAILING TORQUE ALL METAL DESIGN               
WASHER OUTSIDE DIAMETER                 0.750 INCHES MAXIMUM                             
LUBRICATION                             SOLUBLE LUBRICANT                                
OVERALL HEIGHT                          0.520 INCHES MAXIMUM                             
NUT STYLE                               DOUBLE HEXAGON                                   
WASHER THICKNESS                        0.075 INCHES MINIMUM                             
WIDTH ACROSS FLATS                      0.556 INCHES MINIMUM AND 0.564 INCHES MAXIMUM    
TEMP RATING                             450.0 DEG FAHRENHEIT NOMINAL                     
THREAD SERIES                           UNJF                                             
THREAD QUANTITY PER INCH                20                                               
HARDNESS RATING                         49.0 ROCKWELL C MAXIMUM                          
NOMINAL THREAD SIZE                     0.438 INCHES                                      
MATERIAL                                STEEL OVERALL                                    
SURFACE TREATMENT                       CADMIUM OVERALL                                  
DESIGN CONTROL REFERENCE                LH8743T7                                          
THE MANUFACTURERS DATA                  56878                                            
MANUFACTURERS CODE                                                                       
SURFACE TREATMENT DOCUMENT              QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT     
AND CLASSIFICATION                      RESPONSE OVERALL