NPT (ANSI SCH80) 
	
| 
					 Outside Dia  | 
				
					 Socket Type  | 
				
					 Structural Diameter  | 
			||||||||
| 
					 Size  | 
				
					 Do  | 
				
					 d1  | 
				
					 d2  | 
				
					 I  | 
				
					 d  | 
				
					 T  | 
				
					 S  | 
				
					 L  | 
				
					 B  | 
				
					 NPT  | 
			
| 
					 1/2″  | 
				
					 30.5  | 
				
					 21.54  | 
				
					 21.23  | 
				
					 24.22  | 
				
					 14  | 
				
					 9  | 
				
					 18.5  | 
				
					 50  | 
				
					 36  | 
				
					 1/2″  | 
			
| 
					 3/4  | 
				
					 35  | 
				
					 26.87  | 
				
					 26.57  | 
				
					 27.4  | 
				
					 19  | 
				
					 9  | 
				
					 14.5  | 
				
					 50  | 
				
					 41  | 
				
					 3/4″  | 
			
| 
					 1″  | 
				
					 44  | 
				
					 33.66  | 
				
					 33.27  | 
				
					 30.58  | 
				
					 24  | 
				
					 9  | 
				
					 21  | 
				
					 59  | 
				
					 50  | 
				
					 1″  | 
			
| 
					 1-1/4″  | 
				
					 54  | 
				
					 42.42  | 
				
					 42.04  | 
				
					 34.75  | 
				
					 32  | 
				
					 9  | 
				
					 19  | 
				
					 61  | 
				
					 60  | 
				
					 1-1/4″  | 
			
| 
					 1-1/2″  | 
				
					 60  | 
				
					 48.56  | 
				
					 48.11  | 
				
					 37.93  | 
				
					 38  | 
				
					 9  | 
				
					 27  | 
				
					 72  | 
				
					 65  | 
				
					 1-1/2″  | 
			
| 
					 2″  | 
				
					 73  | 
				
					 60.63  | 
				
					 60.17  | 
				
					 41.1  | 
				
					 50  | 
				
					 10  | 
				
					 27  | 
				
					 77  | 
				
					 80  | 
				
					 2″  | 
			
| 
					 2-1/2″  | 
				
					 88  | 
				
					 73.38  | 
				
					 72.85  | 
				
					 47.45  | 
				
					 61  | 
				
					 11.5  | 
				
					 40  | 
				
					 97  | 
				
					 95  | 
				
					 2-1/2″  | 
			
| 
					 3″  | 
				
					 105  | 
				
					 89.31  | 
				
					 88.70  | 
				
					 50.63  | 
				
					 73  | 
				
					 14  | 
				
					 41.5  | 
				
					 104  | 
				
					 115  | 
				
					 3″  | 
			
| 
					 4″  | 
				
					 132  | 
				
					 114.80  | 
				
					 114.10  | 
				
					 60.15  | 
				
					 96  | 
				
					 14  | 
				
					 44.5  | 
				
					 116  | 
				
					 145  | 
				
					 4″  | 
			
 
	
PT (ANSI SCH80)
| 
					 Outside Dia  | 
				
					 Socket Type  | 
				
					 Structural Diameter  | 
			||||||||
| 
					 Size  | 
				
					 Do  | 
				
					 d1  | 
				
					 d2  | 
				
					 I  | 
				
					 d  | 
				
					 T  | 
				
					 S  | 
				
					 L  | 
				
					 B  | 
				
					 PT  | 
			
| 
					 1/2″  | 
				
					 30.5  | 
				
					 21.54  | 
				
					 21.23  | 
				
					 24.22  | 
				
					 14  | 
				
					 9  | 
				
					 18.5  | 
				
					 50  | 
				
					 36  | 
				
					 1/2″  | 
			
| 
					 3/4  | 
				
					 35  | 
				
					 26.87  | 
				
					 26.57  | 
				
					 27.4  | 
				
					 19  | 
				
					 9  | 
				
					 14.5  | 
				
					 50  | 
				
					 41  | 
				
					 3/4″  | 
			
| 
					 1″  | 
				
					 44  | 
				
					 33.66  | 
				
					 33.27  | 
				
					 30.58  | 
				
					 24  | 
				
					 9  | 
				
					 16.5  | 
				
					 55  | 
				
					 50  | 
				
					 1″  | 
			
| 
					 1-1/4″  | 
				
					 54  | 
				
					 42.42  | 
				
					 42.04  | 
				
					 34.75  | 
				
					 32  | 
				
					 9  | 
				
					 19  | 
				
					 61  | 
				
					 60  | 
				
					 1-1/4″  | 
			
| 
					 1-1/2″  | 
				
					 60  | 
				
					 48.56  | 
				
					 48.11  | 
				
					 37.93  | 
				
					 38  | 
				
					 9  | 
				
					 19  | 
				
					 64  | 
				
					 65  | 
				
					 1-1/2″  | 
			
| 
					 2″  | 
				
					 73  | 
				
					 60.63  | 
				
					 60.17  | 
				
					 41.1  | 
				
					 50  | 
				
					 10  | 
				
					 21  | 
				
					 71  | 
				
					 80  | 
				
					 2″  | 
			
| 
					 2-1/2″  | 
				
					 88  | 
				
					 73.38  | 
				
					 72.85  | 
				
					 47.45  | 
				
					 61  | 
				
					 11.5  | 
				
					 32  | 
				
					 89  | 
				
					 95  | 
				
					 2-1/2″  | 
			
| 
					 3″  | 
				
					 105  | 
				
					 89.31  | 
				
					 88.70  | 
				
					 50.63  | 
				
					 73  | 
				
					 14  | 
				
					 32  | 
				
					 95  | 
				
					 115  | 
				
					 3″  | 
			
| 
					 4″  | 
				
					 132  | 
				
					 114.80  | 
				
					 114.10  | 
				
					 60.15  | 
				
					 96  | 
				
					 14  | 
				
					 38  | 
				
					 110  | 
				
					 145  | 
				
					 4″  | 
			
	 
 



