| 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 | ASTM A313 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A580 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT DIAMETER | 0.382 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM |
| SHANK END TYPE | CLOSED |
| SPECIAL FEATURES | KEY 0.049 IN. MIN BY 0.059 IN. MAX WIDE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |