| FASTENER LENGTH | 0.561 INCHES MINIMUM AND 0.601 INCHES MAXIMUM |
| HEAD HEIGHT | 0.290 INCHES NOMINAL |
| HEAD DIAMETER | 0.451 INCHES NOMINAL |
| HEAD STYLE | KNURLED NO. 1 |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.094 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEADMIL-S-5059A MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHERMIL-S-5059A MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHERASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRINGQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFFASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| MATERIAL | ALUMINUM ALLOY 6061 HEADSTEEL COMP 301 SECONDARY WASHERSTEEL COMP 301 PRIMARY WASHERSTEEL COMP 302B SPRINGALUMINUM ALLOY 6061 STAND-OFFSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEADQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHERQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHERQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRINGMIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFFQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | ANODIZE HEADPASSIVATE SECONDARY WASHERPASSIVATE PRIMARY WASHERPASSIVATE SPRINGANODIZE STAND-OFFPASSIVATE FASTENER |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 32 |