| DISTANCE ACROSS FLATS | 0.544 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| OVERALL LENGTH | 1.422 INCHES MINIMUM AND 1.428 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 630 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| SHOULDER DIAMETER | 0.680 INCHES NOMINAL |
| SHOULDER LENGTH | 0.062 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE 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 | 0.400 INCHES MINIMUM AND 0.430 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.400 INCHES MINIMUM AND 0.430 INCHES MAXIMUM STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |