| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.385 INCHES MINIMUM AND 0.425 INCHES MAXIMUM |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD DIAMETER | 0.317 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.109 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHERQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFFMIL-S-8695 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 PRIMARY WASHERCOPPER ALLOY 360 STAND-OFFSTEEL COMP 4037 FASTENER |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE PRIMARY WASHERQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFFQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE PRIMARY WASHERCADMIUM STAND-OFFCADMIUM FASTENER |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.098 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 32 |