| HEAD DIAMETER | 0.355 INCHES NOMINAL0.355 INCHES NOMINAL |
| HEAD COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM101.0 DEGREES MAXIMUM |
| HEAD HEIGHT | 0.063 INCHES MAXIMUM0.063 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK REVERSE KEYEDFLAT COUNTERSUNK REVERSE KEYED |
| KEY LENGTH | 0.063 INCHES MAXIMUM0.063 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANKBLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.422 INCHES MINIMUM AND 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM0.452 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-405 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-W-405 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALLSTEEL COMP 4037 OVERALL |
| NOMINAL THREAD SIZE | 0.1640 INCHES0.1640 INCHES |
| NUT DIAMETER | 0.217 INCHES MINIMUM AND 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM0.221 INCHES MAXIMUM |
| SHANK END TYPE | OPENOPEN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALLCADMIUM OVERALL |
| THREAD CLASS | 3B3B |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD QUANTITY PER INCH | 3232 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |