| DRILLED HOLE DIAMETER | 0.413 INCHES MINIMUM AND 0.423 INCHES MAXIMUM |
| HEAD DIAMETER | 0.656 INCHES NOMINAL |
| HEAD COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| HEAD HEIGHT | 0.104 INCHES NOMINAL |
| HEAD STYLE | DISHED COUNTERSUNK |
| HOLE CONFIGURATION STYLE | CONFIGURATION F |
| HOLE TYPE AND QUANTITY | 1 DRILLED |
| NUT LENGTH | 1.312 INCHES NOMINAL |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 316 OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| NUT DIAMETER | 0.413 INCHES NOMINAL |
| SHANK END TYPE | CLOSED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, BLIND RIVET, COUNTERSUNK HEAD, INTERNAL THREAD, NON-LOCKING (FREE RUNNING) AND SELF-LOCKING (PREVAILING TORQUE) |
| SPECIAL FEATURES | GRIP RANGE: 0.181-0.256 INCH; IDENTIFICATION MARKER: 1 RAD |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 18 |
| THREAD TOLERANCE CLASS | 3B INTERNAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AS-2700 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |