| DISTANCE ACROSS FLATS | 0.625 INCHES NOMINAL |
| NUT END SHANK DIAMETER | 0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 1.910 INCHES MINIMUM AND 1.940 INCHES MAXIMUM |
| OVERALL LENGTH | 3.420 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| SHOULDER LENGTH | 0.183 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM 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 | 0.493 INCHES MINIMUM AND 0.527 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.520 INCHES MINIMUM AND 0.550 INCHES MAXIMUM NUT THREAD |