| HEAD COUNTERSINK ANGLE | 99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM |
| HEAD HEIGHT | 0.063 INCHES MAXIMUM |
| HEAD DIAMETER | 0.355 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK REVERSE KEYED |
| KEY LENGTH | 0.063 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALL |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT GRIP RANGE | +0.161 TO 0.201 INCHES |
| NUT DIAMETER | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.547 INCHES MINIMUM AND 0.577 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 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNC |