| Series | N/A S ( ) DH ( ) | 
| Material | N/A Alloy Steel | 
| Heat Treat | N/A 48-58 HRC. | 
| Finish | N/A Black Oxide per MIL-C-13924 plus Oil per MIL-C-16173, GR3 | 
| Size | N/A 161 | 
| A - Dia ±.015 | N/A 1.125 in | 
| B - Dia ±.005 | N/A 0.912 in | 
| C - Dia ±.005 | N/A 0.641 in | 
| D ±.05 | N/A 4.500 in | 
| E ±.05 | N/A 5.000 in | 
