| FASTENER LENGTH | 0.440 INCHES NOMINAL |
| HEAD DIAMETER | 0.420 INCHES NOMINAL |
| HEAD HEIGHT | 0.495 INCHES NOMINAL |
| HEAD STYLE | KNURLED NO. 1 |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.066 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-493-62 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S23195 MIL SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL | ALUMINUM ALLOY 6061 HEAD |
| MATERIAL | STEEL COMP 1075 PRIMARY WASHER |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 FASTENER |
| MATERIAL | STEEL COMP 302 SPRING |
| MATERIAL | STEEL COMP 304 STAND-OFF |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| SPECIAL FEATURES | VERTICAL STRAIGHT LINE KNURL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| SURFACE TREATMENT | ANODIZE HEAD |
| SURFACE TREATMENT | CADMIUM PRIMARY WASHER |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| SURFACE TREATMENT | PASSIVATE SPRING |
| SURFACE TREATMENT | PASSIVATE STAND-OFF |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.135 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 32 |