| HEAD DIAMETER | 0.65 INCHES MINIMUM AND 0.68 INCHES MAXIMUM |
| HEAD HEIGHT | 0.62 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, BLIND RIVET, FLAT HEAD, INTERNAL THREAD, NON-LOCKING (FREE RUNNING)AND SELF-LOCKING (PREVAILING TORQUE) |
| MATERIAL DOCUMENT AND CLASSIFICATION | RADE 1008,1010,1108,OR 1110 PER ASTM A576 OR 1215 PER ASTM 108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1108 OR STEEL COMP 1110 OR STEEL COMP 1215 OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| NUT DIAMETER | 0.505 INCHES MAXIMUM |
| NUT LENGTH | 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | CLOSED |
| SPECIFICATION/STANDARD DATA | 80205-NAS1329 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, FE/ZN 5, TYPE II NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 18 |