| HEAD DIAMETER | 0.31 INCHES MINIMUM AND 0.34 INCHES MAXIMUM |
| HEAD HEIGHT | 0.32 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 | GRADE 1008,1010,1108,OR 1110 PER ASTM A576 OR 1215 PER ASTM 108 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 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 | 0.1380 INCHES |
| NUT DIAMETER | 0.240 INCHES MAXIMUM |
| NUT LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | OPEN |
| 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 | 32 |