| FASTENER LENGTH | 0.635 INCHES NOMINAL |
| HEAD DIAMETER | 0.420 INCHES NOMINAL |
| HEAD HEIGHT | 0.495 INCHES NOMINAL |
| HEAD STYLE | KNURLED NO. 4 |
| MATERIAL ACCOMMODATED THICKNESS | 0.094 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-493 ASSN STD SINGLE MATERIAL RESPONSE BEARING SURFACE OF HEAD |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FORM I COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-22518 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| MATERIAL | ALUMINUM ALLOY 6061 HEAD |
| MATERIAL | STEEL COMP 302 SPRING |
| MATERIAL | STEEL COMP 303 BEARING SURFACE OF HEAD |
| MATERIAL | STEEL COMP 301 PRIMARY WASHER |
| MATERIAL | STEEL COMP 304 STAND-OFF |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| SURFACE TREATMENT | ANODIZE HEAD |
| SURFACE TREATMENT | PASSIVATE BEARING SURFACE OF HEAD |
| SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |
| SURFACE TREATMENT | PASSIVATE SPRING |
| SURFACE TREATMENT | PASSIVATE STAND-OFF |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |