AS871A Seal Ring Information

AS871A (Seal Ring)      
SIZE TOLERANCE  
         
Size Tol. Customer Driven
         
Flash Extension/P.L. Projection Material Cross Section Max.    
  All 0.003"    
         
Flash Thickness 0.005"
         
Off register/Mismatch 0.003"
         
         
         
Combined Flash, Offset and Parting Line Projection        
         
DEFECT TOLERANCE      
  Seal Ring AS871A
         
Flats max. 0.003"  (except at min. MCS)
         
Backrind None
         
         
         
P.L. Indentation   Maximum Acceptable Dim.  
  Material Cross Section Depth Width or Length  
  <= 0.070" 0.002" 0.003"  
  0.070 <= 0.103" 0.003" 0.005"  
  0.103" <= 0.139" 0.004" 0.007"  
  0.139" <= 0.210" 0.005" 0.010"  
  0.210" < 0.006" 0.015"  
  Not more than 1 defect per inch of circumference  
         
Foreign Material        
         
         
         
Inclusions   Maximum Acceptable Dim.  
(depression left from foreign material) Material Cross Section Depth Width or Length  
  <= 0.070" 0.002" 0.003"  
  0.070 <= 0.103" 0.003" 0.005"  
  0.103" <= 0.139" 0.004" 0.007"  
  0.139" <= 0.210" 0.005" 0.010"  
  0.210" < 0.006" 0.015"  
  Not more than 1 defect per inch of circumference  
         
Indentations   Maximum Acceptable Dim.  
  Material Cross Section Depth Width or Length  
  <= 0.070" 0.002" 0.003"  
  0.070 <= 0.103" 0.003" 0.005"  
  0.103" <= 0.139" 0.004" 0.007"  
  0.139" <= 0.210" 0.005" 0.010"  
  0.210" < 0.006" 0.015"  
  Not more than 1 defect per inch of circumference  
         
Non Fill   Maximum Acceptable Dim.  
  Material Cross Section Depth Width or Length  
  <= 0.070" 0.002" 0.005"  
  0.070 <= 0.103" 0.003" 0.010"  
  0.103" <= 0.139" 0.004" 0.015"  
  0.139" <= 0.210" 0.005" 0.020"  
  0.210" < 0.006" 0.030"  
  Not more than 1 defect per inch of circumference  
         
Mold Deposit Defects   Maximum Acceptable Dim.  
(Indentations) Material Cross Section Depth Width or Length  
  <= 0.070" 0.002" 0.005"  
  0.070 <= 0.103" 0.003" 0.010"  
  0.103" <= 0.139" 0.004" 0.015"  
  0.139" <= 0.210" 0.005" 0.020"  
  0.210" < 0.006" 0.030"  
  Not more than 1 defect per inch of circumference  
         
Flow Marks   Maximum Acceptable Dim.
  Material Cross Section Depth Width Length
  <0.139" 0.002" 0.002" 0.060"
  >= 0.139" 0.002" 0.002" 0.180"
  Not more than 1 defect per 2 inches of circumference
         

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