| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HEAD DIAMETER | 0.335 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.100 INCHES MINIMUM AND 0.107 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL | ALUMINUM ALLOY 6061 STAND-OFF |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 FASTENER |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| SURFACE TREATMENT | CHROMATE STAND-OFF |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.250 INCHES NOMINAL |