| HEAD COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 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 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A549 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1108 OR STEEL COMP 1110 OR STEEL COMP 1215 OVERALL |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT DIAMETER | 0.217 INCHES MINIMUM AND 0.221 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 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1330 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNC |
| THREAD QUANTITY PER INCH | 32 |