| FASTENER LENGTH | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| HEAD HEIGHT | 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL | STEEL OVERALL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| WASHER QUANTITY | 1 |
| WIDTH BETWEEN FLATS | 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNC |