| HEAD STYLE | KNURLED NO. 1 |
| HEAD DIAMETER | 0.436 INCHES MINIMUM AND |
| 0.466 INCHES MAXIMUM |
| HEAD HEIGHT | 0.505 INCHES MINIMUM AND |
| 0.535 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.218 INCHES MINIMUM AND |
| 0.279 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.657 INCHES MINIMUM AND |
| 0.727 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 301 PRIMARY WASHER |
| STEEL COMP 302 SPRING |
| ALUMINUM ALLOY 6061 STAND-OFF |
| STEEL COMP 302 OR |
| STEEL COMP 304 OR |
| STEEL COMP 305 OR |
| STEEL COMP 316 OR |
| STEEL COMP 384 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |
| PASSIVATE SPRING |
| ANODIZE STAND-OFF |
| PASSIVATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MIL-A-8625,TYPE 1 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |