| FASTENER LENGTH | 3.262 INCHES MINIMUM AND 3.292 INCHES MAXIMUM |
| HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL THREAD CLASS | 3B CONCENTRIC HOLE |
| INTERNAL THREAD DIRECTION | RIGHT-HAND CONCENTRIC HOLE |
| INTERNAL THREAD LENGTH | 1.320 INCHES NOMINAL CONCENTRIC HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| NOMINAL THREAD SIZE | 0.312 INCHES CONCENTRIC HOLE |
| SHOULDER DIAMETER | 0.812 INCHES MINIMUM AND 0.814 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.920 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL |
| STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BAC5709 77272 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.902 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD SERIES | UNF CONCENTRIC HOLE |
| THREADS PER INCH | 24 CONCENTRIC HOLE |