THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.250 INCHES NOMINAL |
FASTENER LENGTH | 0.747 INCHES NOMINAL |
MATERIAL | STEEL COMP 301 SECONDARY WASHER |
| STEEL CORROSION RESISTING PRIMARY WASHER |
| ALUMINUM ALLOY 6061 STAND-OFF |
| STEEL CORROSION RESISTING FASTENER |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| 66 FED STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| QQ-B-626 COMP 22 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
SURFACE TREATMENT | PASSIVATE SECONDARY WASHER |
| PASSIVATE PRIMARY WASHER |
| ANODIZE STAND-OFF |
| PASSIVATE FASTENER |
HEAD STYLE | PAN NO. 2 |
HEAD DIAMETER | 0.365 INCHES NOMINAL |
HEAD HEIGHT | 0.206 INCHES NOMINAL |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL ACCOMMODATED THICKNESS | 0.188 INCHES MINIMUM AND |
| 0.250 INCHES MAXIMUM |