| HEAD DIAMETER | 0.342 INCHES MINIMUM AND 0.372 INCHES MAXIMUM |
| HEAD HEIGHT | 0.032 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT DIAMETER | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| NUT LENGTH | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | CLOSED |
| SPECIFICATION/STANDARD DATA | 26512-GN512R MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |