| HEAD COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| HEAD DIAMETER | 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A549 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576JGFASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1110 OR STEEL COMP 1010 OR STEEL COMP 1008 OR STEEL COMP 1108 OR STEEL COMP 1215 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT DIAMETER | 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| NUT LENGTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | OPEN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |