| HEAD COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| HEAD DIAMETER | 0.263 INCHES NOMINAL |
| HEAD HEIGHT | 0.051 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK REVERSE KEYED |
| KEY LENGTH | 0.051 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1108 OR STEEL COMP 1110 OR STEEL COMP 1215 OVERALL |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT DIAMETER | 0.151 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| NUT GRIP RANGE | +0.081 TO 0.106 INCHES |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.380 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| SHANK END TYPE | OPEN |
| SPECIFICATION/STANDARD DATA | 80205-NAS1330 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 40 |