| DIAMETER OF RECESSED PORTION OF SHANK | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 3.680 INCHES MINIMUM AND 3.740 INCHES MAXIMUM |
| OVERALL LENGTH | 4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| STYLE DESIGNATOR | RECESSED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 FED SPEC 1ST TREATMENT RESPONSE AND AMS 2403 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND NICKEL OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |