| FASTENER LENGTH | 2.577 INCHES MINIMUM AND 2.607 INCHES MAXIMUM |
| HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 CON A MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL | IRON ALLOY 660 FASTENER |
| MATERIAL | STEEL COMP 301 PRIMARY WASHER |
| MATERIAL | STEEL COMP 303SE STAND-OFF |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SPECIAL FEATURES | ALSO FURNISHED WITH TAB CRES PER MIL-S-5059 COM 301 COND. A |
| WIDTH BETWEEN FLATS | 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM AND 0.872 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |