| FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD HEIGHT | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | SLOT |
| LOCKING FEATURE | PATCH THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.328 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |