| FASTENER LENGTH | 0.350 INCHES NOMINAL |
| HEAD HEIGHT | 0.082 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| INTERNAL THREAD CLASS | 2B CONCENTRIC HOLE |
| INTERNAL THREAD LENGTH | 0.120 INCHES MINIMUM THREADS AND 0.135 INCHES MAXIMUM THREADS |
| INTERNAL THREAD DIRECTION | RIGHT-HAND CONCENTRIC HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/3 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM B-211 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2011 OVERALL OR ALUMINUM ALLOY 2024 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| NOMINAL THREAD SIZE | 0.060 INCHES CONCENTRIC HOLE |
| SHOULDER DIAMETER | 0.082 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.080 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.1855 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| THREAD LENGTH | 0.135 INCHES NOMINAL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD SERIES | UNF CONCENTRIC HOLE |
| THREADS PER INCH | 80 CONCENTRIC HOLE |