| DRILLED HOLE DIAMETER | 0.322 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| HEAD HEIGHT | 0.058 INCHES NOMINAL |
| HEAD DIAMETER | 0.460 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| HEAD STYLE | FLAT KEYED |
| KEY LENGTH | 0.035 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA752 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT DIAMETER | 0.328 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM |
| SHANK END TYPE | OPEN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMSQQ+416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | EC |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD TOLERANCE CLASS | TNTE1234 INTERNAL |