| DIAMETER OF RECESSED PORTION OF SHANK | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| OVERALL LENGTH | 1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| STYLE DESIGNATOR | RECESSED |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | D0D-P-16232,TY Z CL 1 OR TY M CL 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |
| THREAD LENGTH | 0.260 INCHES MINIMUM STUD THREAD |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.330 INCHES MINIMUM AND 0.390 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |