| INSERT SIZE | 1/2-20 UNF,0.4678 IN. MIN,0.4698 IN. MAX PITCH DIA |
| LENGTH | 0.658 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SPECIAL FEATURES | FURNISHED WITH LOCKRING |
| STYLE DESIGNATOR | SERRATED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |