203003 SAE O-Ring Boss to 37º Flare 
    SAE O-Ring to 37º Flare
        
    
    
            
                
            Aeroquip series 203003 (Ref. SAE 070429) SAE O-Ring Boss to 37° Flare.
        
        
| Item # | Thread T1 | Thread T2 | 
|---|---|---|
| 203003-4-4S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 7/16-20 Inch | Thread T2 N/A 7/16-20 Inch | 
| 203003-6-6S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 9/16-18 Inch | Thread T2 N/A 9/16-18 Inch | 
| 203003-8-8S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 3/4-16 Inch | Thread T2 N/A 3/4-16 Inch | 
| 203003-10-10S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 7/8-14 Inch | Thread T2 N/A 7/8-14 Inch | 
| 203003-10-12-12S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 7/8-14 Inch | Thread T2 N/A 1 1/16-12 Inch | 
| 203003-12-12S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 1-1/16-12 Inch | Thread T2 N/A 1 1/16-12 Inch | 
| 203003-16-10-10S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 1-5/16-12 Inch | Thread T2 N/A 7/8-14 Inch | 
| 203003-16-16S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 1-5/16-12 Inch | Thread T2 N/A 1 5/16-12 Inch | 
| 203003-20-20S 203003 SAE O-Ring Boss to 37º Flare | Thread T1 N/A 1-5/8-12 Inch | Thread T2 N/A 1 5/8-12 Inch | 







 
                                                                