| HEAD DIAMETER | 0.529 INCHES NOMINAL0.529 INCHES NOMINAL |
| HEAD COUNTERSINK ANGLE | 100.00 DEGREES NOMINAL100.00 DEGREES NOMINAL |
| HEAD HEIGHT | 0.089 INCHES MAXIMUM0.089 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK REVERSE KEYEDFLAT COUNTERSUNK REVERSE KEYED |
| KEY LENGTH | 0.089 INCHES MAXIMUM0.089 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1108 OR STEEL COMP 1108 OR STEEL COMP 1110 OVERALLSTEEL COMP 1110 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES0.250 INCHES |
| NUT DIAMETER | 0.328 INCHES MINIMUM AND 0.328 INCHES MINIMUM AND 0.332 INCHES MAXIMUM0.332 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANKBLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 1.110 INCHES MINIMUM AND 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM1.140 INCHES MAXIMUM |
| SHANK END TYPE | CLOSEDCLOSED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALLCADMIUM OVERALL |
| THREAD CLASS | 3B3B |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD QUANTITY PER INCH | 2020 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |