| FASTENER LENGTH | 0.687 INCHES NOMINAL |
| HEAD DIAMETER | 0.451 INCHES NOMINAL |
| HEAD HEIGHT | 0.520 INCHES NOMINAL |
| HEAD STYLE | KNURLED NO. 5 |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.637 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL | ALUMINUM ALLOY 6061 STAND-OFF |
| MATERIAL | STEEL COMP 301 PRIMARY WASHER |
| MATERIAL | STEEL CORROSION RESISTING FASTENER |
| MATERIAL | STEEL CORROSION RESISTING SPRING |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |