- The left hand threaded end of all right and left couplings is knurled for identification.
- All sizes of right and left couplings are taper tapped 3/4" per foot (62.5mm per meter) on the diameter and all are dipped in rust preventative.
                    Unit of Measure
                    
               
        
            | NPS | N/A 3 | 
| DN | N/A 80 | 
| Type | N/A Left Right | 
| Outside Diameter | N/A 4.000 inches | 
| Outside Diameter | N/A 102.00 mm | 
| Length | N/A 3 1/4 inches | 
| Length | N/A 83 mm | 
| Weight/100 Pieces | N/A 347 lbs | 
| Weight/100 Pieces | N/A 157 kg | 
 
 