| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 2.562 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.500 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.500 INCHES NOMINAL |
| NUT END SHANK LENGTH | 1.717 INCHES NOMINAL |
| SHOULDER LENGTH | 0.125 INCHES NOMINAL |
| SHOULDER DIAMETER | 1.000 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | A3A STUD THREAD |
| THREAD DIRECTION | LEFT-HAND NUT THREAD A |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD LENGTH | 1.000 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT THREAD A |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| THREAD QUANTITY PER INCH | 13 NUT THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |